List of mass shootings in the United States
This is a list of known mass shootings in the United States that have occurred since 1966. Mass shootings are incidents involving several victims of firearm-related violence. The precise inclusion criteria are disputed, and there is no broadly accepted definition.
The Gun Violence Archive, a nonprofit research group that tracks shootings and their characteristics in the United States, defines a mass shooting as an incident in which four or more people, excluding the perpetrator(s), are shot in one location at roughly the same time. The Congressional Research Service narrows that definition further, only considering what it defines as "public mass shootings", and only considering victims as those who are killed, excluding any victims who survive. The Washington Post and Mother Jones use similar definitions, with the latter acknowledging that their definition "is a conservative measure of the problem", as many rampages with fewer fatalities occur. The crowdsourced Mass Shooting Tracker project uses a definition even looser than the Gun Violence Archive's definition: four people shot in one incident regardless of the circumstances.
There are varying definitions of a mass shooting. Listed roughly from most broad to most restrictive:
- Stanford MSA Data Project: 3+ shot in one incident, at one location, at roughly the same time, excluding organized crime, as well as gang-related and drug-related shootings.
- Mass Shooting Tracker: 4+ shot in one incident, at one location, at roughly the same time.
- Gun Violence Archive/Vox: 4+ shot in one incident, excluding the perpetrator(s), at one location, at roughly the same time.
- Mother Jones: 3+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings.
- The Washington Post: 4+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings.
- Congressional Research Service: 4+ shot and killed in one incident, excluding the perpetrator(s), at a public place, excluding gang-related killings, acts carried out that were inspired by criminal profit, and terrorism.
Only shootings that have Wikipedia articles of their own are included in this list. Detailed lists of shootings can be found per-year at their respective pages.
List of mass shootings (present - 2000)Edit
|May 31, 2019||Virginia Beach, Virginia||13[n 1]||5||18||Virginia Beach shooting: A gunman killed 12 people and injured five others at a municipal building. The gunman died at the scene.|
|May 7, 2019||Highlands Ranch, Colorado||1||8||9||STEM School Highlands Ranch shooting: A school shooting was reported at STEM School Highlands Ranch, around 1:50 p.m, two shooters targeted separate locations and killed one student and injured eight more before being arrested.|
|April 30, 2019||Charlotte, North Carolina||2||4||6||2019 UNCC shooting: Six people were shot, including two fatally, on the last day of classes at the University of North Carolina at Charlotte. The student gunman was taken into custody after he ran out of ammunition.|
|April 27, 2019||Poway, California||1||3||4||Poway synagogue shooting: One person was killed and at least three were wounded by a shooter at the Chabad of Poway synagogue.|
|February 15, 2019||Aurora, Illinois||6[n 1]||6||12||Aurora, Illinois, shooting: A 45-year old man opened fire at a Henry Pratt Company plant killing at least five people and injuring at least 6 others. He was a former worker at the plant and he was killed in a shootout with police.|
|January 28, 2019||Houston, Texas||2||4||6||Pecan Park raid: Two people were killed and four police officers were injured during a drug raid at a home.|
|January 26, 2019||Ascension Parish, Louisiana, and Livingston Parish, Louisiana||5||0||5||January 2019 Louisiana shootings: A 21-year old man killed five people, including his parents, in two parishes in Louisiana.|
|January 23, 2019||Sebring, Florida||5||0||5||2019 Sebring shooting: Five people were killed in a hostage incident and shooting at a bank. The suspect was taken into custody by police.|
|November 19, 2018||Chicago, Illinois||4[n 1]||0||4||Mercy Hospital shooting: A gunman opened fire in the Mercy Hospital and Medical Center in Chicago, killing a doctor at the hospital who was his former fiancée, a police officer, and one other person before being killed either by himself or by police.|
|November 11, 2018||Robbins, Illinois||1||4[n 1]||5||Shooting of Jemel Roberson: A man re-entered a bar after being ejected and began to fire, wounding three people and becoming injured himself. Armed security guards apprehended the suspect. Responding officers saw one of the security guards with a gun, and shot and killed him.|
|November 7, 2018||Thousand Oaks, California||13[n 1]||12+||25+||Thousand Oaks shooting: A man entered a bar hosting a student line-dancing event and killed twelve people, including a police officer. At least twelve other people were injured. The gunman then killed himself.|
|November 2, 2018||Tallahassee, Florida||3[n 1]||5[n 2]||8||2018 Tallahassee attack: A man entered a yoga studio and killed two women and injured five others; four by gunshots and one by pistol-whipping, before committing suicide.|
|October 27, 2018||Pittsburgh, Pennsylvania||11||6||17||Pittsburgh synagogue shooting: A man opened fire in the Tree of Life synagogue in an antisemitic attack, killing eleven people and injuring six others (including four police officers). The suspect was taken into custody by police.|
|October 3, 2018||Florence, South Carolina||2||10||12||Florence shooting: Officers were shot at during a two hour standoff while attempting to execute a search warrant. The perpetrator held children hostage, killing one and wounding seven before being arrested.|
|September 20, 2018||Aberdeen, Maryland||4[n 1]||3||7||Aberdeen shooting: An employee of the Rite Aid Distribution facility killed three victims before wounding herself. The shooter died later in the hospital.|
|September 6, 2018||Cincinnati, Ohio||4[n 1]||2||6||Fifth Third Center shooting: A gunman entered a loading dock at the Fifth Third Center skyscraper and opened fire before entering the lobby of a building. Four people, including the shooter, were killed and two were injured.|
|August 26, 2018||Jacksonville, Florida||3[n 1]||9||14||Jacksonville Landing shooting: A gunman killed two people and wounded eleven more (nine with gunshot wounds) at a Madden NFL 19 competition before killing himself. The shooter was identified as David Katz, an individual who had reportedly been eliminated from the competition before the shooting.|
|June 28, 2018||Annapolis, Maryland||5||2||7||Capital Gazette shooting: A gunman entered the offices of The Capital Gazette and killed five employees and wounded two others.|
|June 17, 2018||Trenton, New Jersey||1[n 1]||22[n 3]||23||Art All Night shooting: Several gunmen wounded seventeen people at the Art All Night festival. Five others were wounded when they were trampled by people around them. One of the suspected gunmen was shot and killed by police. Police suspect the shooting was gang-related.|
|May 30–June 4, 2018||Scottsdale, Arizona||7||0||7||2018 Scottsdale spree shootings: Over the course of several days, a man killed a forensic psychiatrist, two paralegals, a counselor, and a couple from whom he took a handgun. The suspect killed himself when police began closing in on him.|
|May 18, 2018||Santa Fe, Texas||10||14[n 1]||24||Santa Fe High School shooting: A student at Santa Fe High School shot and killed ten people and wounded fourteen others. Explosive devices were also found, but they were not detonated. The suspect was taken into custody by police.|
|April 22, 2018||Nashville, Tennessee||4||2||6||Nashville Waffle House shooting: A gunman entered a Waffle House, where he killed four people and injured two others. He was later taken into custody.|
|April 3, 2018||San Bruno, California||1[n 1]||4[n 4]||5||YouTube headquarters shooting: A woman approached an outdoor patio at YouTube Headquarters and wounded three people before committing suicide, a fourth person was injured in the evacuation.|
|March 9, 2018||Yountville, California||5[n 1][n 5]||0||5||Yountville shooting: A man entered the Veterans Home of California and held three staff members hostage. He killed the three staff members (and the unborn child of one of the staff members, who was pregnant) before killing himself in a murder–suicide.|
|February 14, 2018||Parkland, Florida||17||17||34||Stoneman Douglas High School shooting: A former student of Marjory Stoneman Douglas High School entered the school, killed seventeen people, and wounded seventeen others. He was taken into custody by police.|
|January 23, 2018||Benton, Kentucky||2||16||18||Marshall County High School shooting: A fifteen-year-old student killed two other students and injured sixteen others before discarding his weapon and attempting to hide among other students. He was apprehended by police.|
|December 31, 2017||Highlands Ranch, Colorado||2[n 1]||6||8||Copper Canyon Apartment Homes shooting: After being called to a home for a report of a disturbance, five police officers were shot in an "ambush-style" attack. One officer was killed and the other four were wounded. Two other people were also wounded in a neighboring apartment. Officers later re-entered the apartment with a SWAT team and killed the suspect; another officer was injured in this exchange.|
|December 7, 2017||Aztec, New Mexico||3[n 1]||0||3||Aztec High School shooting: A man walked into Aztec High School disguised as a student and killed two before killing himself.|
|November 13, 2017||Tehama County, California||6[n 1]||12||18||Rancho Tehama Reserve shootings: A man killed his wife and hid her body under the floorboards of their home before killing two neighbors, firing at random at people, and then ramming his truck through the gates of an elementary school and firing at those inside. He then drove away and targeted other random victims before being rammed by police and shooting himself. He killed five people and injured twelve others (some with bullet wounds, others were injured by flying glass) before committing suicide.|
|November 5, 2017||Sutherland Springs, Texas||27[n 1][n 5]||20||47||Sutherland Springs church shooting: A gunman approached the First Baptist Church in Sutherland Springs and killed two people outside before entering and shooting at the congregation, killing 26 people (including an unborn child) and injuring twenty. He was confronted by a local man with a gun, and they exchanged gunfire before entering a vehicle. The man flagged down another person and they began a high-speed chase of the gunman, which ended when the gunman went off the road and was found dead either from a self-inflicted gunshot wound or from one of the two bullets fired by the local man.|
|October 1, 2017||Las Vegas, Nevada||59[n 1]||422||481||2017 Las Vegas shooting: A man in a high floor of a hotel opened fire on a country music festival happening outside, killing 59 people and injuring 851 others, with 422 of them suffering from gunshot wounds. The man then shot himself.|
|September 24, 2017||Antioch, Tennessee||1||8[n 1]||9||Burnette Chapel shooting: A man killed a woman outside the Burnette Chapel Church of Christ before entering the chapel and wounding seven others. During a struggle with an usher, the man shot himself in the chest. The usher ran to his car to get his own pistol and held the man at gunpoint until police arrived to arrest him.|
|September 10, 2017||Plano, Texas||9[n 1]||1||10||2017 Plano shooting: A man entered his ex-wife's home while she was hosting a football-watching party and killed her and seven others, and wounded one other. He was killed by police.|
|August 28, 2017||Clovis, New Mexico||2||4||6||Clovis library shooting: A sixteen-year-old killed two people and wounded four others at a public library before surrendering to police.|
|July 1, 2017||Little Rock, Arkansas||0||28||28||Little Rock nightclub shooting: Twenty-eight people were injured (twenty-five directly by gunfire) when shooting broke out in a nightclub where rapper Finese 2Tymes was performing.|
|June 14, 2017||San Francisco, California||4[n 1]||5||9||San Francisco UPS shooting: A gunman entered his workplace and singled out coworkers, killing three and wounding five, before committing suicide.|
|June 14, 2017||Alexandria, Virginia||1[n 1]||6||7||2017 Congressional baseball shooting: A gunman shot and wounded four people, including Republican Congressman and House Majority Whip Steve Scalise, while they were practicing for the Congressional Baseball Game. Two others were also injured in other ways. The gunman was killed after being engaged by Capitol police officers assigned to protect Scalise and by police officers responding to the scene.|
|June 8, 2017||Eaton Township, Pennsylvania||4[n 1]||0||4||Eaton Township Weis Markets shooting: An employee of a Weis Markets supermarket who was working a night shift barricaded the exits and killed three coworkers before killing himself.|
|June 6, 2017||Sandy, Utah||3[n 1]||2||5||Sandy, Utah attack: A man rammed a vehicle containing his ex-girlfriend, killing two and wounding two more, before committing suicide.|
|June 5, 2017||Orlando, Florida||6[n 1]||0||6||Orlando factory shooting: A former employee entered the factory through a rear exit and killed five employees and then himself.|
|May 27, 2017||Lincoln County, Mississippi||8||1[n 1]||9||2017 Mississippi shootings: A man killed eight people, including several family members and a sheriff's deputy, at three separate houses. He was injured by police and then arrested. The shooter later said he had intended to commit suicide by cop.|
–April 18, 2017
|Fresno, California||4||0||4||2017 Fresno shootings: A man killed a security guard at a hotel, then killed three other people five days later. The attacks, committed against white people by a black suspect, are believed to have been racially motivated and the suspect believed there was a race war taking place between white and black people. He was taken into custody by police.|
|April 10, 2017||San Bernardino, California||3[n 1]||1||4||North Park Elementary School shooting: A man entered an elementary school, telling school administrators he needed to drop something off for his wife. He entered the classroom where she was teaching and killed her, also killing a student and wounding another who were standing nearby. He then killed himself.|
|March 26, 2017||Cincinnati, Ohio||2||16||18||Cincinnati nightclub shooting: Two men were killed and sixteen people were wounded after a fight escalated into a shooting at a crowded nightclub. One person was arrested.|
|March 22, 2017||Schofield, Wisconsin and Rothschild, Wisconsin||5[n 1]||0||5||2017 Schofield/Rothschild shootings: A man demanded his wife sign divorce papers and after a confrontation, returned to her place of work and shot and killed four people before being killed by the police.|
|January 6, 2017||Broward County, Florida||5||6||11||Fort Lauderdale airport shooting: A man killed five people and injured six in a shooting at Fort Lauderdale–Hollywood International Airport before running out of ammunition and laying on the ground to surrender to police. Thirty to forty other people were also hurt, with injuries not directly caused by gunfire.|
|September 28, 2016||Townville, South Carolina||2||3||5||Townville Elementary School shooting: A fifteen-year-old shot and killed his father before driving to the local elementary school and injuring three students and a teacher. One student later died of his injuries. The shooter was later arrested.|
|September 23, 2016||Burlington, Washington||5||0||5||Cascade Mall shooting: A man killed five people at the Cascade Mall. He was arrested a day later. The shooter later killed himself while in jail.|
|August 20, 2016||Citronelle, Alabama||6[n 5]||0||6||2016 Citronelle homicides: A man killed six people (including an unborn child) while they were sleeping in a home. He was arrested by police.|
|July 30, 2016||Mukilteo, Washington||3||1||4||2016 Mukilteo shooting: A student at the University of Washington killed three people and injured one other in a shooting at a party. One of the people he killed was his ex-girlfriend. The shooter was arrested and sentenced to life in prison.|
|July 17, 2016||Baton Rouge, Louisiana||4[n 1]||3||7||2016 shooting of Baton Rouge police officers: A gunman killed three law enforcement officers and injured three others. The gunman was killed by a member of the SWAT team that responded to the shooting. The shooting is believed to have been related to the unrest in Baton Rouge following the shooting of Alton Sterling, and the gunman was involved with black separatist and sovereign citizen organizations.|
|July 11, 2016||St. Joseph, Michigan||3[n 1]||2||5||St. Joseph courthouse shooting: A handcuffed inmate killed two bailiffs and injured a deputy and another woman after taking a deputy's gun in a courthouse. The inmate was killed by two other bailiffs.|
|July 7, 2016||Dallas, Texas||6[n 1]||11||17||2016 shooting of Dallas police officers: A shooter killed five police officers and wounded nine other officers and two civilians at a protest over the police shootings of Alton Sterling and Philando Castile. The shooter was killed by a bomb delivered by a remote control vehicle. He is believed to have been motivated by retribution for black men killed by police.|
|June 12, 2016||Orlando, Florida||50[n 1]||53||103||Orlando nightclub shooting: A gunman killed 49 people and wounded 53 others in a shooting at Pulse, a gay nightclub. The gunman was killed in a shootout with the police.|
–May 6, 2016
|Beltsville and Bethesda, Maryland||3||3||6||2016 Maryland shooting spree: A federal officer shot and killed three people and injured three others in an attack that began with him killing his estranged wife.|
–April 22, 2016
|Pike County, Ohio||8||0||8||Pike County shootings: Eight people, all members of the same family, were killed. Bodies were found in four separate locations.|
|March 9, 2016||Wilkinsburg, Pennsylvania||6[n 5]||3||9||2016 Wilkinsburg mass shooting: Six people (including an unborn child) were killed and three were injured by two gunmen in an attack during a backyard party. One person with a handgun drove the partygoers toward a backyard porch, where the second shot at them with an assault-style rifle.|
|February 25, 2016||Hesston and Newton, Kansas||4[n 1]||14||18||Hesston shooting: A man killed three people and injured fourteen others in an attack at his workplace. He had been served with a temporary order of protection shortly before he began shooting. He was killed by police who responded to the scene.|
|February 20, 2016||Kalamazoo, Michigan||6||2||8||2016 Kalamazoo shootings: An Uber driver is suspected to have killed six people and wounded two others in a series of shootings targeting random people.|
|December 2, 2015||San Bernardino, California||16[n 1]||22||38||2015 San Bernardino attack: A married couple opened fire on the husband's colleagues at a work training event. They killed fourteen people and injured twenty-two before being killed in a shootout with police. Pipe bombs set at their residence failed to detonate. The two perpetrators are believed to have been radicalized, though not believed to have been directly connected to a specific foreign terrorist organization.|
|November 29, 2015||Colorado Springs, Colorado||3||9||12||Colorado Springs Planned Parenthood shooting: A man killed two civilians and a police officer and wounded nine others inside a Planned Parenthood clinic before surrendering to police. The shootings are suspected to have been motivated by the suspect's anti-abortion views.|
|November 23, 2015||Minneapolis, Minnesota||0||5||5||Shooting of protesters at a Black Lives Matter protest: During a Black Lives Matter protest related to the shooting of Jamar Clark, a man opened fire and injured five protestors. The perpetrator was later arrested.|
|October 1, 2015||Roseburg, Oregon||10[n 1]||8||18||Umpqua Community College shooting: A student at Umpqua Community College killed nine people and injured eight others on the college campus. After being wounded by police officers, he killed himself.|
|August 8, 2015||Harris County, Texas||8||0||8||2015 Harris County shooting: A man broke into his ex-girlfriend's home and held her hostage along with her husband and six children, one of whom was his son. Over the course of nine hours, he killed everyone in the home. After a shootout with police, he surrendered and was taken into custody.|
|July 23, 2015||Lafayette, Louisiana||3[n 1]||9||12||2015 Lafayette shooting: A gunman killed two people and injured nine in a shooting at a movie theater. After trying to blend into the crowd leaving the theater, the gunman heard sirens, returned to the theater, and killed himself.|
|July 16, 2015||Chattanooga, Tennessee||6[n 1]||1||7||2015 Chattanooga shootings: A man committed a drive-by shooting at a military recruitment center in a strip mall, wounding one Marine. With police in pursuit, he drove to a U.S. Navy Reserve center and rammed his vehicle through a gate. He fatally wounded a Navy sailor, killed four Marines, and wounded a police officer before being killed by police. The FBI later determined the gunman had been motivated by propaganda published by terrorist organizations.|
|June 17, 2015||Charleston, South Carolina||9||1||10||Charleston church shooting: A white supremacist killed nine black people during a prayer service at the Emanuel African Methodist Episcopal Church, wounding one other. He was taken into custody by police, and later said that he committed the shootings in an attempt to start a "race war".|
|May 17, 2015||Waco, Texas||9||18||27||2015 Waco shootout: Gunfire broke out at a restaurant where members of several motorcycle clubs had gathered to discuss political rights for motorcyclists. Members of the clubs and police were both involved in the gunfire. Nine people were killed and eighteen were injured in the shootout, all members of the motorcycle clubs. The shooting may have resulted from a territorial dispute between two of the motorcycle clubs.|
|February 26, 2015||Tyrone, Missouri||8[n 1]||1||9||2015 Tyrone shooting: A man killed seven people and wounded one after going door-to-door and shooting people in four separate homes. Four of the people he killed were family members. The man then killed himself. The shooting was possibly motivated by the man finding his mother dead from natural causes.|
|December 15, 2014||Montgomery County, Pennsylvania||6||1||7||2014 Montgomery County shootings: Six people were found dead and one wounded in three locations across Montgomery County. The shooter was found dead the next day after committing suicide by overdose. One of the victims was the shooter's ex-wife, the others were her relatives.|
|December 12, 2014||Portland, Oregon||0||4||4||Rosemary Anderson High School shooting: A perpetrator shot and injured three students and an adult outside of the school.|
|October 24, 2014||Marysville, Washington||5||1||6||Marysville Pilchuck High School shooting: A fifteen-year-old killed four people and injured one other in the cafeteria of Marysville Pilchuck High School before killing himself.|
|July 9, 2014||Spring, Texas||6||1||7||2014 Harris County shooting: A man is suspected of killing six of his family members and wounding a seventh. He was arrested after a brief chase and a standoff that lasted several hours.|
|May 23, 2014||Isla Vista, California||7[n 1][n 6]||13[n 7]||20||2014 Isla Vista killings: Several hours after stabbing and killing his three roommates, a man drove to a sorority house near the University of California, Santa Barbara and knocked on the door. After receiving no answer, he began shooting at people nearby, killing two members of another sorority and injuring a third. He then returned to his car and continued to shoot at and ram people with his vehicle before killing himself with a gunshot. The attack is believed to have been motivated by the killer's hatred of women and frustration with his dating and family life.|
|April 13, 2014||Overland Park, Kansas||3||0||3||Overland Park Jewish Community Center shooting: A white supremacist went to the Jewish Community Center of Greater Kansas City and Village Shalom and killed three, two near the community center and one at the retirement community.|
|April 2, 2014||Fort Hood, Texas||4[n 1]||14||18||2014 Fort Hood shooting: After being denied leave from the Fort Hood military base where he was stationed, a man killed three people and injured fourteen before killing himself.|
|November 1, 2013||Los Angeles International Airport, Los Angeles, California||1||4[n 1]||5||2013 Los Angeles International Airport shooting: A man entered the Los Angeles International Airport, killed a TSA agent, and wounded three other people. He was injured when shot several times by police.|
|September 16, 2013||Washington D.C.||13[n 1]||8||21||Washington Navy Yard shooting: A gunman entered the Naval Sea Systems Command headquarters in the Washington Navy Yard with a civilian contractor pass. He killed twelve people and injured eight before being killed by police.|
|August 5, 2013||Saylorsburg, Pennsylvania||3||4[n 1]||7||Ross Township Municipal Building shooting: A man entered a meeting of township supervisors and killed three people, injuring three others. The gunman was also injured when his gun went off and hit his own leg as two men wrestled him to the ground and took away his weapon. The shooting was suspected to be motivated by a longstanding feud in which the gunman's property rights had been taken away. He was sentenced to life in prison.|
|July 26, 2013||Hialeah, Florida||7[n 1]||0||7||2013 Hialeah shooting: A man lit his apartment on fire and killed seven other people in his apartment building before being killed by a SWAT team.|
|June 7, 2013||Santa Monica, California||6[n 1]||5||11||2013 Santa Monica shooting: A man killed two people in a residence before lighting it on fire. He continued to shoot at people while moving towards Santa Monica College, then attempted to carjack a passing vehicle. After firing rounds at a passing bus, he ran into the college library and continued shooting. He killed five people and injured five others before being killed by police.|
|February 3–12, 2013||Orange, Los Angeles and Riverside counties, California||5[n 1]||7||12||Christopher Dorner shootings and manhunt: A man travelled across three counties during nine days, killing four people and injuring others. Four more people were injured by police. The man then died during a standoff with officers.|
|January 19, 2013||South Valley, New Mexico||5||0||5||2013 South Valley homicides: A fifteen-year-old is suspected of killing his parents and three siblings in their home. He was arrested by police.|
|December 24, 2012||Webster, New York||4[n 1]||3||7||2012 Webster shooting: A man set fire to his home and the family car before opening fire on responding firefighters, two were killed and three wounded before he committed suicide, a fourth body was found in the house.|
|December 14, 2012||Newtown, Connecticut||28[n 1]||2||30||Sandy Hook Elementary School (2012): A 20-year old killed his mother before shooting and killing twenty children and six adults at Sandy Hook Elementary School in Newton, Connecticut. He then committed suicide.|
|December 11, 2012||Portland, Oregon||3[n 1]||1||4||Clackamas Town Center shooting: A 22-year-old opened fire at the town center wearing a hockey mask, and killed two people and injured a third before fumbling with his weapon and being unable to reload. He committed suicide in a stairwell of the location.|
|October 21, 2012||Brookfield, Wisconsin||4[n 1]||4[n 5]||8||2012 Azana Spa shootings: The perpetrator drove to his ex-wife's work place and waited until she was there to confront her and shot and killed her and two other women, and injured four others before committing suicide.|
|September 27, 2012||Minneapolis, Minnesota||7[n 1]||2||9||Accent Signage Systems shooting: A former employee entered a local sign-making business, and killed five and wounded four; two of the four later died of their wounds, the perpetrator committed suicide.|
|August 24, 2012||New York City, New York||2[n 1]||9||11||Empire State Building shooting: A man shot and killed a former co-worker before engaging in a shoot-out with the New York police in which nine bystanders were wounded and the perpetrator was killed.|
|August 13, 2012||College Station, Texas||3[n 1]||4||7||2012 College Station shooting: The perpetrator fatally shot an officer attempting to serve him a notice to appear in court, he then injured a neighbor and engaged in a shootout with responding officers until he was killed by the officers.|
|August 5, 2012||Oak Creek, Wisconsin||7[n 1]||4||11||Wisconsin Sikh temple shooting: The perpetrator, a member of the Hammerskins and various white power and neo-Nazi bands, fatally shot six people at a Sikh temple before being killed by responding police officers.|
|July 20, 2012||Aurora, Colorado||12||70||82||Aurora, Colorado, movie theater shooting: 31-year old James Eagan Holmes, stormed a late-night premiere of The Dark Knight Rises and shot and killed twelve people and wounded seventy others. He was sentenced to life in prison.|
|May 30, 2012||Seattle, Washington||6[n 1]||1||7||Seattle cafe shooting spree: A patron who had been previously thrown out of the cafe, entered and killed four people and wounded one, shortly after he killed a woman during a carjacking and then committed suicide.|
|April 2, 2012||Oakland, California||7||3||10||Oikos University shooting: A former student opened fire in a classroom and fatally shot seven people, leaving three wounded.|
|February 27, 2012||Chardon, Ohio||3||3||6||Chardon High School shooting: A seventeen-year-old entered Chardon High School and fired at students sitting in the cafeteria killing three and wounded three others before being arrested.|
|December 16, 2011||Irwindale, California||3[n 1]||2||5||Southern California Edison shooting: An employee opened fire during the workday, and killed two and wounded two others before committing suicide.|
|October 12, 2011||Seal Beach, California||8||1||9||Seal Beach shooting: A man entered his ex-wife's workplace and shot and killed eight people and injured one. He then fled the scene and was later arrested.|
|September 6, 2011||Carson City, Nevada||5[n 1]||7||12||Carson City IHOP shooting: A man opened fire inside and outside an IHOP, and then targeted nearby local businesses. He killed four people and injured seven before committing suicide.|
|August 7, 2011||Copley Township, Summit County, Ohio||8[n 1]||1||9||2011 Copley Township shooting: A man killed seven people; including a 16-year-old and an 11-year-old, and injured one between three homes before being killed by responding police.|
|July 7, 2011||Grand Rapids, Michigan||8[n 1]||2||10||Grand Rapids mass murder: A man killed seven people and wounded two in a spree shooting in two homes, then took hostages in a third before committing suicide.|
|January 8, 2011||Tucson, Arizona||6||15[n 1]||21||Safeway Shooting in Casas Adobes, Arizona (2011): A man killed six people and injured fifteen during an assassination attempt of U.S. Representative Gabrielle Giffords before he was tackled and arrested. Giffords was wounded in the attack but survived.|
|August 3, 2010||Manchester, Connecticut||9[n 1]||2||11||Hartford Beer Distributors shooting: An employee of Hartford Distributors, a beer distribution company, was fired. In retaliation he shot and killed eight coworkers and injured two others before committing suicide.|
|April 14, 2010||Las Cruces, New Mexico||3||0||3||Delisle triple murder: A building contractor shoots three business associates that he had a legal dispute with.|
|February 12, 2010||Huntsville, Alabama||3||3||6||University of Alabama in Huntsville shooting: A biology professor opened fire on other faculty members, killing three and injuring three others, before she was arrested.|
|January 19–20, 2010||Appomattox, Virginia||8||0||8||Appomattox shootings: A man shot and killed four family members and four other individuals before being apprehended by police.|
|January 7, 2010||St. Louis, Missouri||4[n 1]||5||9||ABB plant shooting: An employee opened fire in the parking lot of an ABB Group power plant before entering the factory. He killed three people and injured five before committing suicide.|
|November 5, 2009||Fort Hood, Texas||14[n 5]||33[n 1]||47||Fort Hood Military Base shooting: A U.S. army psychiatrist opened fire and killed thirteen individuals and injured 33 others.|
|August 4, 2009||Collier Township, Pennsylvania||4[n 1]||9||13||Collier Township shooting: A man entered a woman's aerobics class and opened fire, killing three people and injuring nine before committing suicide.|
|April 4, 2009||Pittsburgh, Pennsylvania||3||3[n 1]||6||2009 Shooting of Pittsburgh Police Officers: A man opened fire on police officers responding to a domestic violence 9-1-1 call, killing three and injuring two before he was arrested.|
|April 3, 2009||Binghamton, New York||14[n 1]||4||18||New York immigration center shooting: A man shot and killed thirteen people at a civic center in Binghamtom, New York before committing suicide.|
|March 29, 2009||Carthage, North Carolina||8||3[n 1]||11||Carthage nursing home shooting: A man attacked the workplace of his estranged wife, killing eight people and wounding two others before being arrested.|
|March 10, 2009||Geneva, Alabama and Samson, Alabama||11[n 1]||6||17||Geneva County massacre: A man killed ten people and wounded six others in a shooting spree before committing suicide.|
|December 24, 2008||Covina, California||10[n 1]||3||13||Covina massacre: A man entered his former in-laws' home armed with four handguns and a homemade flamethrower. He killed nine people and injured three before committing suicide.|
|September 2, 2008||Skagit County, Washington||6||2||8||Skagit County Shooting Spree (2008): A man killed six people and wounded two others in several locations before being arrested by police.|
|February 14, 2008||DeKalb, Illinois||6[n 1]||21||27||Northern Illinois University shooting: A former graduate student entered a lecture hall and opened fire, killing five people and wounding twenty-one before committing suicide.|
|February 7, 2008||Kirkwood, Missouri||7[n 1]||1||8||Kirkwood City Council shooting: A man opened fire during a public city council meeting, killing six people and injuring one other before being shot and killed by police.|
|December 9, 2007||Avada, Colorado and Colorado Springs, Colorado||5[n 1]||5||10||Youth with a Mission and New Life Church shooting: A man stormed a dormitory at the Youth With A Mission organization in Arvada, Colorado before driving to Colorado Springs and attacking the New Life Church. He killed four people and wounded five others before committing suicide.|
|December 5, 2007||Omaha, Nebraska||9[n 1]||6||15||Westroads Mall shooting (2007): A 19-year old killed eight people and wounded four in a Von Maur department store at the Westroads Mall before committing suicide.|
|October 7, 2007||Crandon, Wisconsin||7[n 1]||1||8||Crandon, Wisconsin, duplex shooting (2007): An off-duty sheriff's deputy entered a homecoming party at a duplex with a semiautomatic rifle and killed six people and wounded one. He killed himself later that day.|
|April 16, 2007||Blacksburg, Virginia||33[n 1]||17||50||Virginia Tech shooting: A 23-year old student killed thirty-three students and teachers, and wounded seventeen others. Other people were injured attempting to escape. When police stormed the building he was in, the shooter killed himself.|
|February 12, 2007||Salt Lake City, Utah||6[n 1]||4||10||Trolley Square shooting: A man opened fire in a parking garage and shopping mall and killed five people and injured four others before being killed by police.|
|October 2, 2006||Bart Township, Lancaster County, Pennsylvania||6[n 1]||5||11||West Nickel Mines School shooting: A man took hostages in an Amish schoolhouse, and killed five schoolgirls and injured five others before committing suicide.|
|July 28, 2006||Seattle, Washington||1||6[n 8][n 5]||7||Seattle Jewish Federation shooting: The perpetrator forced his way into the building, repeatedly shooting that he was angry at Israel and wanted to make a statement, he killed one and injured six.|
|March 25, 2006||Seattle, Washington||7[n 1]||2||9||Capitol Hill massacre: A guest returned to a house party armed with a shotgun and a semiautomatic handgun. He shot indiscriminately, killing six people and injuring two, before committing suicide.|
|January 30, 2006||Goleta, California||8[n 1]||0||8||Goleta Postal Facility Shootings (2006): A woman killed her neighbor before driving to the mail processing plant, where she shot and killed six people before committing suicide.|
|November 20, 2005||Tacoma, Washington||0||6||6||Tacoma Mall shooting: A man attempted suicide by cop by opening fire in a shopping mall with an illegal MAK 90 semi-automatic rifle and a pistol. He injured six people and took four hostages before surrendering to a SWAT team.|
|March 21, 2005||Red Lake, Minnesota||10[n 1]||5||15||Red Lake Indian Reservation shooting: A 16-year old student killed nine people and wounded five others before committing suicide.|
|March 12, 2005||Brookfield, Wisconsin||8[n 1]||4||12||Living Church of God shooting: A man shot and killed seven members of his church and wounded four others, before committing suicide in a Sheraton hotel.|
|December 8, 2004||Columbus, Ohio||5||3||8||Columbus nightclub shooting: A deranged fan killed four, including musician Dimebag Darrell, and wounded three others before being killed by police.|
|November 21, 2004||Meteor, Wisconsin||6||2||8||Hunting Trip (2004): A man shot eight people while on a hunting trip in northern Wisconsin; six were killed and two were wounded.|
|March 12, 2004||Fresno, California||9||0||9||Wesson family murders: A man convicted of the molestation and murders of his children and nieces shot and killed nine members of his family during a standoff over a child custody dispute.|
|July 8, 2003||Meridian, Mississippi||7[n 1]||8||15||Lockheed Martin shooting: A man opened fire at his workplace, killing six and wounding eight before committing suicide.|
|June 14, 2003||Madison County, Montana||1||10[n 1]||11||Ennis shooting: A man opened fire on a group of people outside of a bar, and then engaged in a high speed chase and shootout with law enforcement, he killed one and injured 10 including himself.|
|April 14, 2003||New Orleans, Louisiana||1||3||4||John McDonogh High School shooting: Two perpetrators opened fire in the school gymnasium and killed one student and wounded three others.|
|February 16 - October 23, 2002||Maryland, Virginia, Washington DC, and Arizona||17||10||27||DC Sniper Attacks: Over ten months the two perpetrators killed seventeen people and injured ten others in robberies and sniper attacks in the Baltimore-Washington Metropolitan area and along Interstate I-95.|
|July 4, 2002||Los Angeles, California||3[n 1]||5[n 9]||8||Los Angeles International Airport shooting: The gunman opened fire at a line of passengers at a ticket counter, he killed two and injured five before being killed by a security officer.|
|January 16, 2002||Grundy, Virginia||3||3||6||Appalachian School of Law shooting: A former student opened fire after a meeting with a professor in the offices of the dean of students and a professor, killing them and a student and injured three other students before he was subdued by a Marine veteran.|
|March 5, 2001||Santee, California||2||13||15||Santana High School shooting: A 15-year-old student entered a boys bathroom and shot another student then left and began to fire widely, another student was killed and thirteen injured.|
|January 10, 2001||Nevada County, California||3||2||5||Nevada County shooting: The perpetrator opened fire with a semi-automatic pistol in two separate areas and killed three people and injured two others, before he returned home and confessed to the incidents via telephone to his brother, a Sacramento County Sheriff's Deputy.|
|December 26, 2000||Wakefield, Massachusetts||7||0||7||Wakefield massacre: Michael McDermott, an application support employee, shot and killed seven co-workers.|
|May 24, 2000||New York City, New York||5||2||7||Wendy's Massacre: Two robbers locked seven employees in the restaurant freezer and shot and killed five and wounded two during a robbery.|
|April 28, 2000||Scott Township, Robinson Township, Center Township and Pittsburgh (Carnegie), Pennsylvania||5||0||5||Richard Baumhammers killing spree: A man went on a killing spree and murders a Jewish woman before setting her house on fire and fired upon a synagogue vandalizing it with swastikas, an Indian man who would die from his injuries at a grocery store, shot up another synagogue, killed two at a Chinese restaurant, and an African-American exercising with his White American friend.|
List of mass shootings (1999 - 1920s)Edit
|November 2, 1999||Honolulu, Hawaii||7||0||7||Xerox Murders (1999): A service technician opened fire inside a Xerox building and killed seven people while an eighth escaped, he then held thirty-five school children inside the Hawaii Nature Center before surrendering to police.|
|September 15, 1999||Fort Worth, Texas||8[n 1]||7||15||Wedgwood Baptist Church shooting: During a concert in the church for teenagers, the perpetrator entered and shot and killed seven attendees and wounded seven others before committing suicide.|
|August 10, 1999||Los Angeles, California (Granada Hills and Chatsworth)||1||5||6||Los Angeles Jewish Community Center shooting: Affiliated with the Aryan Nations, the perpetrator killed one and wounded at least five when entering a Jewish community center.|
|July 27–29, 1999||Stockbridge, Georgia and Atlanta, Georgia||13[n 1]||13||26||Day-trading firms shooting: The perpetrator shot and killed his wife and two children, two days before entering two separate Buckhead firms inwhich he shot fellow traders, killing twelve and wounding thirteen before committing suicide.|
|July 2-4, 1999||Chicago, Illinois (West Rogers Park), Urbana, Springfield, Decatur, and Bloomington, Indiana||3||10||13||Benjamin Nathaniel Smith shooting spree: Part of the Creativity Movement, the perpetrator killed former Northwestern University basketball coach Ricky Byrdsong and a Korean American Indiana University graduate student Won-Joon Yoon as well as wounding a black minister and nine Orthodox Jews before killing himself.|
|May 20, 1999||Conyers, Georgia||0||6||6||Heritage High School shooting: A 15-year-old student opened fire and wounded six students before attempting suicide, he was stopped by an assistant principle.|
|April 20, 1999||Columbine, Colorado||15[n 1]||24||39||Columbine High School massacre: Two students from the school shot and killed twelve classmates and a teacher before committing suicide.|
|May 21, 1998||Springfield, Oregon||4||25||29||Thurston High School shooting: An expelled student targeted his parents and the school and killed four people and injured twenty-five others before being arrested.|
|April 24, 1998||Edinboro, Pennsylvania||1||4||5||Parker Middle School dance shooting: A 14-year-old student opened fire and fatally shot a teacher and injured another and two students during an 8th grade dance, before being arrested.|
|March 24, 1998||Criaghead County, Arkansas||5||10||15||Westside Middle School shooting: Two students aged 11 and 13, shot and killed four students and a teacher and injured ten others before being arrested.|
|December 1, 1997||West Paducah, Kentucky||3||5||8||Heath High School shooting: A 14-year-old student opened fire on a group of students praying before the school opened, killing three and injuring five before surrendering.|
|October 1, 1997||Pearl, Mississippi||3||7||10||Pearl High School shooting: The perpetrator shot and killed his mother, then drove to the high school and shot and killed two students and injured seven before being arrested.|
|February 19, 1997||Bethel, Alaska||2||2||4||Bethel Regional High School shooting: A student shot and killed two people and wounded two others before surrendering to police. He was reportedly assisted by several students in learning how to shoot, and many knew about the shooting plans in advance.|
|February 2, 1996||Moses Lake, Washington||3||1||4||Frontier Middle School shooting: A student shot and killed a teacher and two students and wounded another before being arrested.|
|November 7, 1994||Wickliffe, Ohio||1||3||4||Wickliffe Middle School shooting: A 37-year-old former student entered the building and shot and killed the custodian and wounded three other adults before he was arrested.|
|June 20, 1994||Fairchild Air Force Base, Washington||5[n 1]||22||27||Fairchild Air Force Base shooting: A former airman who had been discharged returned to the base hospital and killed four people and injured twenty-two people before being shot and killed by responding police.|
|December 14, 1993||Aurora, Colorado||4||1||5||Aurora, Colorado, Chuck E. Cheese shooting: The perpetrator shot and killed four employees and injured one in revenge for being fired from the restaurant.|
|December 7, 1993||Long Island, New York||6||19||25||Long Island Rail Road shooting: A passenger opened fire on other passengers and killed six and wounded nineteen before being subdued by three passengers and arrested.|
|July 1, 1993||San Francisco, California||9[n 1]||6||15||101 California Street shooting: The perpetrator opened fire in an office building killing eight people and woundeing six others before committing suicide.|
|January 25, 1993||Langley, Virginia||2||3||5||CIA Headquarters shooting: A Pakistani national fired an AK-47 style weapon at a line of cars waiting at red light to turn into the main entrance of the CIA Headquarters. He was captured in 1997.|
|January 8, 1993||Palatine, Illinois||7||0||7||Brown's Chicken Massacre: Two robbers entered a Brown's Chicken restaurant and murdered seven employees. The two were arrested and convicted in 2007 and 2009.|
|December 14, 1992||Great Barrington, Massachusetts||2||4||6||Bard College shooting: The perpetrator had been stockpiling ammunition and weapons in his dorm, and after several alarms had been raised by third parties, he opened fire and killed a professor and student and wounded four others.|
|May 1, 1992||Olivehurst, California||4||10||14||Lindhurst High School Shooting and Hostage Situation (1992): A 20-year old past student opened fire on a classroom and killed four people, wounded ten others, and held eighty people hostage during an eight-hour siege before he surrendered.|
|November 1, 1991||Iowa City, Iowa||6[n 1]||1||7||University of Iowa shooting: A former graduate student attended a meeting for a research group before opening fire and killing five individuals and injuring one before committing suicide.|
|October 16, 1991||Kileen, Texas||24[n 1]||27||51||Killeen, Texas, Luby's Restaurant shooting: A former Merchant Marine drove his vehicle through the front window of the restaurant before opening fire on a crowd of about eighty people, killing twenty-three and injuring twenty-seven before committing suicide.|
|April 4, 1991||Sacramento County, California||6[n 10]||14[n 11]||20||Sacramento Hostage Crisis: For eight hours forty-one people were held hostage inside an electronics store, by four Vietnamese refugees who killed three and injured 14. Three of the four perpetrators were shot and killed by responding police.|
|August 9, 1991||Waddell, Arizona||9||0||9||Arizona Buddhist Temple shooting: Nine men were robbed and killed in a Buddhist temple, with the perpetrator remaining un-convicted until 2014.|
|July 17–18, 1990||Jacksonville, Florida||12[n 1]||6||18||GMAC Office shooting: A convicted felon returned to the loan office he had used to purchase a car and opened fire, killing eleven people and injuring six before committing suicide.|
|February 10, 1990||Las Cruces, New Mexico||4||3||7||Las Cruces bowling alley massacre: Two unknown perpetrators entered the bowling alley and killed four people and injured three before fleeing. The case is still unsolved.|
|Sept. 14, 1989||Louisville, Kentucky||8||12[n 1]||20||Standard Gravure shooting (1989): a 47-year-old pressman killed eight people and injured twelve at his former workplace, Standard Gravure, before committing suicide|
|January 17, 1989||Stockton, California||6[n 1]||32||38||Cleveland Elementary School shooting: A drifter used an semi-automatic rife to kill five children and wound thirty other students and teachers on the school playground before committing suicide.|
|September 26, 1988||Greenwood, South Carolina||2||9||11||Oakland Elementary School shooting: The perpetrator shot and killed two eight-year old students and wounded nine others (seven students, a teacher, and a gym coach) in the school's cafeteria and a classroom before being arrested. He was sentenced to death.|
|July 17, 1988||Winston-Salem, North Carolina||4||6[n 1]||10||Old Salisbury Road shooting: The perpetrator shot nine passers-by from the center line on the road, killing four and injuring five before being arrested.|
|May 20, 1988||Winnetka, Illinois||2[n 1]||6||8||Attacks by Laurie Dann: The perpetrator entered the Hubbard Woods Elementary School and killed one student and wounded five others before entering a home and holding the inhabitants hostage before committing suicide.|
|February 16, 1988||Sunnyvale, California||7||4||11||ESL shooting: After stalking his coworker, the perpetrator entered the ESL building with several weapons and shot at employees and bystanders, killing seven people and wounding four before surrendering to police and SWAT officers.|
|December 22–28, 1987||Dover, Arkansas and Russelville, Arkansas||16||4||20||Murders by Ronald Gene Simons: The perpetrator murdered sixteen friends and family—eight by gunfire, seven by strangulation, and one by drowning—and wounded four others before being arrested.|
|December 7, 1987||Cayucos, California||43[n 1]||0||43||Pacific Southwest Airlines Flight 1771 (1987) The perpetrator David Burke entered the cockpit of Pacific Southwest Airlines Flight 1771 and killed the pilot and co-pilot and shooting three other people before crashing the plane and killing all forty-three passengers and crew on board.|
|August 20, 1986||Edmond, Oklahoma||15[n 1]||6||21||Edmond post office shooting: A part-time employee entered to begin his day before locking the doors and killing fourteen coworkers and injuring six others before committing suicide.|
|October 30, 1985||Springfield, Pennsylvania||3||7||10||Springfield Mall shooting: The perpetrator fired first at customers outside the Springfield Mall, and then moved inside and killed 3 and wounded 7 before she was disarmed.|
|October 18, 1985||Detroit, Michigan||0||6||6||Murray-Wright High School shooting: During half-time at a football game, the perpetrator opened fire with a shotgun on individuals that he had earlier fought with and wounded six.|
|December 22, 1984||New York City, New York||0||4||4||1984 New York City subway shooting: Four teenagers were shot and wounded by the perpetrator on a New York bubway train.|
|July 18, 1984||San Diego, California||22[n 1]||19||41||San Ysidro McDonald's massacre: A male suspect entered a busy McDonald's and opened fire with an Uzi, shotgun and semiautomatic pistol, and killed twenty-one people and injured nineteen before being killed by a police sniper.|
|April 15, 1984||Brooklyn, New York City, New York||10||0||10||Palm Sunday massacre: During a believed home invasion ten people—three adults, one teenager, and six children—were killed. An infant was left unharmed.|
|February 24, 1984||Los Angeles, California||3[n 1]||12||15||49th Street Elementary School shooting: The perpetrator fired on children in a school playground from his home across the street, and killed two individuals and injured twelve others before committing suicide.|
|February 19, 1983||Seattle, Washington||13||1||14||Wah Mee massacre: Three perpetrators entered a gambling club at the Louisa Hotel during a robbery and killed thirteen people and wounded one in an attempt to leave no witnesses.|
|September 25, 1982||Wilkes-Barre, Pennsylvania and Jenkins Township, Pennsylvania||13||1||14||Murders by George Banks: The perpetrator used an AR-15 to shoot and kill thirteen people and injure one in his home and the home of a former girlfriend. A four-hour standoff occurred before officers were able to arrest and hold him on several charges.|
|August 20, 1982||Miami, Florida||8||3||11||Welding shop shooting: A teacher opened fire inside a welding shop, killing eight people and injuring three before attempting to flee by bicycle; he was run down as he cycled away.|
|May 3, 1982||Russian Jack Springs Park, Anchorage, Alaska||4||0||4||Russian Jack Springs Park shooting: A schizophrenic man left a psychiatric hospital on a day pass and killed four teenagers in a park before being arrested.|
|May 7, 1981||Salem, Oregon||5||18||23||Oregon Museum Tavern shooting: The perpetrator entered the location and fired, killing five people and injuring eighteen before he was wrestled to the ground.|
|June 22, 1980||Daingerfield, Texas||5||11[n 1]||16||Daingerfield church shooting: The perpetrator killed five people and wounded ten others after they had declined to be character witnesses in the trial of him raping his daughter.|
|November 3, 1979||Greensboro, North Carolina||5||12||17||Greensboro Massacre (1979): Members of the Communist Workers Party and others demonstrated against the KKK and the American Nazi Party, the event dissolved into a gunfight in which five people were killed and about twelve people were wounded.|
|April 26, 1979||San Antonio, Texas||2||51||53||Battle Of Flowers Parade (1979): Gunman opened fire at beginning of parade route, from an RV. Two persons who were sitting it front of RV were killed, with numerous others injured. Perpetrator committed suicide. |
|January 29, 1979||San Diego, California||2||9||11||Cleveland Elementary School shooting: A 16-year old girl who lived across the street shot and killed two people and injured nine others before being arrested.|
|June 28, 1978||Boston, Massachusetts||5||0||5||Blackfriars massacre: Four known criminals and a former Boston television investigative news anchorman and reporter were all killed in a supposed sale of cocaine.|
|September 4, 1977||San Francisco, California||5||11||16||Golden Dragon Massacre (1977): Five members of a Chinese youth gang attempted to kill rival gang members, which quickly turned into a shootout in which five people died and eleven were injured.|
|July 12, 1976||Fullerton, California||7||2||9||California State University, Fullerton, shooting: A custodian at the University killed seven people and wounded two others before fleeing the school. He was arrested.|
|March 30, 1975||Hamilton, Ohio||11||0||11||Easter Sunday Massacre: The perpetrator shot and killed his mother, brother, sister-in-law, and eight nieces and nephews in five minutes before calling police and being arrested.|
|December 30, 1974||Olean, New York||3||11||14||Olean High School shooting: A student locked himself in a third floor room before shooting out the window, killing four people and injuring eleven before being subdued with tear gas and arrested.|
|November 14, 1974||New York City, New York||6||0||6||Ronald DeFeo Jr. Family Murders (1974): Basis for The Amityville Horror, where the perpetrator was convicted for the killing of his parents and siblings, six people in all.|
|January 18, 1973||Washington D.C.||7||2||9||Hanafi Murders: Three individuals were shot and killed, while two others were wounded, and four children drowned in an attack by six men.|
|December 31, 1972 - January 7, 1973||New Orleans, Louisiana||10[n 1]||13||23||Howard Johnson's shooting: Over the course of ten hours and in several locations the perpetrator, having previously killed two police officers and wounded a third, killed seven people and injured ten before being shot and killed by police.|
|August 7, 1970||San Rafael, California||4[n 1]||2||6||Marin County Civic Center attacks: The 17-year-old perpetrator took hostages in a court room in an attempt to coerce the release of the Soledad Brothers. Three prisoners released during the siege joined him in the attack, which left the main perpetrator dead along with three others and two others wounded.|
|May 15, 1970||Jackson, Mississippi||2||12||14||Jackson State University shooting: After responding to the University due to a growing unrest, officers opened fire on a dorm building and two students (one from a local high school) were killed and twelve were injured.|
|May 4, 1970||Kent State University at Kent, Ohio||4||9||13||Kent State shootings: During a protest of the bombing of Cambodia at the University, members of the Ohio National Guard opened fire, killing four and injuring nine people.|
|May 21-25, 1969||Greensboro, North Carolina||2||27||29||1969 Greensboro uprising: Student protestors, police officers and members of the National Guard exchanged gunfire on the campuses of James B. Dudley High School and North Carolina Agricultural and Technical State University, due to civil rights issues. Two were killed and twenty-seven injured.|
|July 23-24, 1968||Cleveland, Ohio||6||12||18||Glenville shootout: A gun battle between the Cleveland Police Department and the Black Nationalists of New Libya led to six people being killed and at least twelve injured, and sparked the Glenville Riots.|
|June 25, 1968||Lake Michigan, Good Hart, Michigan||6||0||6||Robison family murders: While vacationing a family was shot and killed, with the parents also bludgeoned with a hammer, the investigation continued for fifteen months after the bodies were discovered.|
|February 8, 1968||Orangeburg, South Carolina||3||27||30||South Carolina State University shooting: After responding to the scene of about 200 protestors protesting racial segregation, after an officer was assaulted, officers began to shoot into the crowd; three people were killed and twenty-seven injured.|
|August 1, 1966||University of Texas, at Austin, Texas||17[n 1][n 5]||31||48||University of Texas tower shooting: A student and former Marine sharpshooter killed his wife and mother before using the University of Texas clock tower as a sniper's nest to kill seventeen people and wound thirty-one before being killed by police.|
|April 25, 1965||Orcutt, California||4[n 1]||10||14||1965 Highway 101 sniper attack: A 16-year-old stole his father's military rifle and shot at automobiles driving down the highway, killing two and injuring ten before committing suicide. A third victim died later at the hospital.|
|March 1, 1954||Washington D.C.||0||5||5||1954 United States Capitol Shooting Incident: Four Puerto Rican nationalists, shot from the Ladies Gallery of the House of Representatives chamber and wounded five.|
|July 25, 1946||Walton County, Georgia||4||0||4||Moore's Ford Lynching: Four young African Americans; two married couples were lynched by a white mob and were shot and killed.|
|July 8, 1945||Salina, Utah||9||19||28||Utah Prisoner of War Massacre: Nine German POWs were killed and nineteen wounded by an American Army Private who shot at them while on guard duty.|
|November 9, 1934||Kelayres, Pennsylvania||5||12 - 25||17 - 30||Kelayres Massacre: An election-eve parade and rally was shot at as it passed by the home of the local Republican boss, three victims died and between twelve and twenty-five were wounded.|
|June 17, 1933||Kansas City, Missouri||5||3||8||Kansas City Massacre: Four law enforcement officers and a fugitive were killed, with three law enforcement officers wounded in a shootout between the two groups.|
|February 14, 1929||Chicago, Illinois||7||0||7||Saint Valentine's Day Massacre: Seven members and associates of Chicago's North Side Gang were shot and killed execution style against a garage wall.|
- Including the perpetrator or suspect
- Four injured by gunfire
- Seventeen injured by gunfire
- Three injured by gunfire
- Including an unborn child
- Three killed by stabbing, four by gunfire including the shooter
- Seven injured by gunfire, seven struck by vehicle
- Five by gunfire
- One injured by a knife
- Including 3 perpetrators
- 11 by gunfire
- Borchers, Callum (October 4, 2017). "The squishy definition of 'mass shooting' complicates media coverage". Washington Post. Retrieved August 26, 2018.
...'mass shooting' is a term without a universally-accepted definition.
- Bjelopera, Jerome (March 18, 2013). "Public Mass Shootings in the United States" (PDF). Congressional Research Service. Archived from the original (PDF) on 2013-09-09. Retrieved 2018-08-26.
There is no broadly agreed-to, specific conceptualization of this issue, so this report uses its own definition for public mass shootings.
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