Assassination of Olof Palme
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On Friday, 28 February 1986, at 23:21 CET (22:21 UTC), Olof Palme, Prime Minister of Sweden, was fatally wounded by a single gunshot while walking home from a cinema with his wife Lisbet Palme on the central Stockholm street Sveavägen. Mrs Palme was slightly wounded by a second shot. The couple did not have bodyguards at the time.
|Assassination of Olof Palme|
Flowers left at the site of the assassination on the following day
|Location||Sveavägen–Tunnelgatan, Stockholm, Sweden|
|Date||28 February 1986
23.21 (Central European Time)
|Weapons||Probably a revolver (.357 Magnum)|
|Deaths||1 killed (Olof Palme)|
|1 wounded (Lisbet Palme)|
Christer Pettersson, who had previously been convicted of manslaughter, was convicted of the murder in 1988 after having been identified as the killer by Palme's wife. However, on appeal to Svea Court of Appeal he was acquitted. A petition for a new trial, filed by the prosecutor, was denied by the Supreme Court of Sweden. Pettersson died in late-September 2004, legally declared not guilty of the Palme assassination. The case remains unsolved and has given rise to a number of conspiracy theories.
Night of the assassinationEdit
Despite being Prime Minister, Palme sought to live as ordinary life as possible. He would often go out without any bodyguard protection, and the night of his murder was one such occasion. Walking home from the Grand Cinema with his wife Lisbet Palme on the central Stockholm street Sveavägen, close to midnight on 28 February 1986, the couple was attacked by a lone gunman. Palme was fatally shot in the back at close range at 23:21 CET. A second shot wounded Mrs Palme.
Police said that a taxi driver used his mobile radio to raise the alarm, and two girls in a nearby car tried to assist. He was pronounced dead on arrival at the hospital at 00:06 CET on 1 March 1986. The attacker escaped eastwards on the Tunnelgatan.
Sequence of eventsEdit
Palme's decision to visit the Grand Cinema was made at very short notice. Lisbet Palme had discussed seeing a film when she was at work during the afternoon, and called her son, Mårten Palme, at 17:00 to talk about the film at the Grand Cinema. Olof Palme did not hear about the plans until at home, at 18:30, when he met with his wife, by which time Palme had already declined any further personal bodyguard protection from the security service. He talked to his son about the plans on the phone, and they eventually decided to join Mårten and his girlfriend, who had already purchased tickets for themselves to see the Swedish comedy Bröderna Mozart ("The Mozart Brothers") by Suzanne Osten. This decision was made about 20:00. The police later searched Palme's apartment, as well as Lisbet's and Mårten's work places, for wire-bugging devices or traces of such equipment, but did not find any.
At 20:30 the Palmes left their apartment, unescorted, heading for the Gamla stan metro station. Several people witnessed their short walk to the station and, according to the later police investigation, commented on the lack of bodyguards. The couple took the subway train to the Rådmansgatan station, from where they walked to the Grand Cinema. They met their son and his girlfriend just outside the cinema around 21:00. Olof Palme had not yet purchased tickets which were by then almost sold out. Recognizing the prime minister, the ticket clerk wanted him to have the best seats, and therefore sold Palme the theatre director's seats.
After the screening, the two couples stayed outside the theatre for a while but separated about 23:15. Olof and Lisbet Palme headed south on the west side of Sveavägen, towards the northern entrance of the Hötorget metro station. When they reached the Adolf Fredrik Church, they crossed Sveavägen and continued on the street's east side. They stopped a moment to look at something in a shop window, then continued past the Dekorima shop which was then located on the corner of Sveavägen and Tunnelgatan.
At 23:21, a man appeared from behind, shot Mr. Palme at point-blank range and fired a second shot at Mrs. Palme. The perpetrator then jogged down Tunnelgatan street, up the steps to Malmskillnadsgatan and continued down David Bagares gata [street], where he was last seen.
Thanks to time stamps on records for radio and telecommunication, many events have been determined with a very high precision.
- 23:21:30 – Palme and his wife are shot.
- 23:22:20 – A witness calls the 90000 emergency line, but the call is misdirected and the caller is not put through to the police.
- 23:23:40 – A Järfälla Taxi switchboard operator calls the police dispatch centre to pass on a message from one of its drivers to the effect that someone has been shot at the corner Sveavägen and Tunnelgatan.
- 23:24:00 (approx.) – A police patrol, stationed a few hundred feet away, arrives on scene after being alerted by a second taxi driver who heard of the shooting on his taxi radio.
- 23:24:40 – The police is contacted by the emergency dispatch centre concerning the shooting on Sveavägen. The dispatch centre operator denies knowledge about any such events.
- 23:24:00–23:25:30 (approx.) – A patrol wagon – stationed at Malmskillnadsgatan, not far from the attacker's escape route – arrives and is ordered by the commanding officer to hunt for the attacker.
- 23:25:00 (approx.) – A passing ambulance is stopped and assists the victims.
- 23:26:00 – The police dispatch centre calls the SOS emergency centre to assure them they are informed about the events on the Sveavägen/Tunnelgatan intersection.
- A third police patrol arrives.
- A second ambulance arrives.
- 23:28:00 – The first ambulance leaves for the Sabbatsberg Hospital with both victims. Mrs Palme, not severely wounded, refuses to leave her husband.
- 23:30:00 – The police superintendent in charge at the scene informs the police dispatch centre that the prime minister was the victim.
- 23:31:40 – The emergency dispatch centre is informed that the ambulance has arrived at the hospital.
- 00:06:00 – Palme is pronounced dead.
- 00:45:00 – Deputy Prime Minister Ingvar Carlsson arrives at Rosenbad.
- 01:10:00 – First radio broadcast about the murder.
- 04:00:00 – First television broadcast.
- 05:15:00 – The government holds a press conference.
Leads from the crime sceneEdit
The only forensic leads left by the assassin were the two bullets fired, identified as Winchester-Western .357 Magnum 158 grain metal piercing. Both bullets matched the lead fragments found in the clothing of Olof and Lisbet Palme. Because the weapon was a revolver (which does not automatically eject cartridge cases) there were no cases to recover for ballistic examination – only the two bullets recovered from the street. From the bullets' lack of certain characteristic deformations, investigators concluded they had been fired from a barrel no shorter than four inches; thus the murder weapon would have been a conspicuously large handgun. The singularly most used weapon for this type of ammunition is the Smith & Wesson .357, which is why great efforts have been made to locate a weapon of this make.
Throughout the investigation, Swedish police have test-fired approximately 500 Magnum revolvers. The investigation has placed particular emphasis on tracking down ten Magnum revolvers reported stolen at the time of the murder. Out of these all have been located except the Sucksdorff revolver, a weapon stolen from the Stockholm home of Swedish filmmaker Arne Sucksdorff in 1977. The person who stole the weapon was a friend of drug dealer Sigvard "Sigge" Cedergren, who claimed on his deathbed that he had lent a gun of the same type to Christer Pettersson two months prior to the assassination.
Another weapon that has figured prominently in the investigation is the so-called Mockfjärd gun. This weapon, a revolver of the type Smith & Wesson Model 28 ("Highway Patrolman") with .357 Magnum caliber, was first purchased legally by a civilian in the northern Swedish city of Luleå. The gun, along with 91 metal-piercing bullets, was stolen in a burglary in Haparanda in 1983 and is believed to have been used in the robbery of a post office in Mockfjärd, Dalarna that same year. A lead isotope analysis of a bullet fired during the robbery confirmed it to have the same isotopic composition as the bullets retrieved from the assassination crime scene, verifying that the bullets were manufactured at the same time. In the autumn of 2006, Swedish police acting on a tip communicated to the Expressen newspaper retrieved a Smith & Wesson .357 revolver from a lake in Dalarna. The gun was determined to be the same one used in the post office robbery in Mockfjärd, confirmed by the gun's serial number. The gun was transferred to the National Laboratory of Forensic Science in Linköping for further analysis. However, the laboratory concluded in May 2007 that tests on the gun could not confirm whether it was used in the Palme assassination, as it was too rusty.
There were several witnesses to the murder, of whom more than 25 have come forward to the police. The killer was described by witnesses as a man between 30 and 50 years of age, about 180 to 185 centimetres tall, and wearing a dark jacket or coat. Many described him as having walked with a limp or otherwise clumsily but those testimonies were not given immediately after the murder but instead after the arrest of Christer Pettersson. Initially, many witnesses described the killers movements as smooth, efficient and powerful. No witness was in a position to observe the killer's appearance in any detail. A police sketch of the supposed killer was widely circulated in the media a week after the murder, leading to a massive influx of tips from the public, but it was later determined that the witness on whose statement it was based probably had not seen the actual assailant. No good description of the killer's appearance therefore exists. Witnesses agreed on the killer's escape route.
Palme's assassination remains unsolved, with a number of alternative theories surrounding the murder. At the time, a murder under Swedish law was subject to prescription in 25 years. The law was later changed to prevent the Palme case from expiring, and thus the police investigation remains active.
In January 2011 the German magazine Focus cited official German interrogation records in connection with another investigation from 2008 as showing that the assassination had been carried out by an operative of the Yugoslavian security service.
A Swedish extremist, Victor Gunnarsson (labeled in the media 33-åringen, "the 33-year-old"), was soon arrested for the murder but quickly released, after a dispute between the police and prosecuting attorneys. Gunnarsson had connections to various extremist groups, among these the European Workers Party, the Swedish branch of the LaRouche Movement. Pamphlets hostile to Palme from the party were found in his home outside Stockholm.
In December 1988, almost three years after Palme's death, Christer Pettersson, a criminal, drug user and alcoholic, who had previously been imprisoned for manslaughter, was arrested for the murder of Palme. Picked out by Mrs Palme at a lineup as the killer, Pettersson was tried and convicted of the murder, but was later acquitted on appeal to the court of appeal. Pettersson's appeal succeeded for three main reasons:
- Failure of the prosecution to produce the murder weapon;
- Lack of a clear motive for the killing;
- Doubts about the reliability of Mrs Palme's testimony and "extremely gross errors" by the police in arranging the lineup.
Additional evidence against Pettersson surfaced in the late 1990s, mostly coming from various petty criminals who altered their stories but also from a confession made by Pettersson. The chief prosecutor, Agneta Blidberg, considered re-opening the case. But she acknowledged that a confession alone would not be sufficient, saying:
He must say something about the weapon because the appeals court set that condition in its ruling. That is the only technical evidence that could be cited as a reason to re-open the case.
While the legal case against Pettersson therefore remains closed, the police file on the investigation cannot be closed until both murder weapon and murderer are found. Christer Pettersson died on September 29, 2004, after suffering a cerebral haemorrhage caused by a fall during an epileptic seizure.
According to a documentary programme broadcast on Swedish state television channel SVT in February 2006,, associates of Pettersson claimed that he had confessed to them his role in the murder, but with the explanation that it was a case of mistaken identity. Allegedly, Pettersson had intended to kill Sigvard Cedergren, a drug dealer who customarily walked along the same street at night and resembled Palme both in appearance and dress. The programme also suggested there was greater police awareness than previously acknowledged because of surveillance of drug activity in the area. The police had several officers in apartments and cars along those few blocks of Sveavägen but, 45 minutes before the murder, the police monitoring ceased. In the light of these revelations, Swedish police undertook to review Palme's case and Pettersson's role. In the newspaper Dagens Nyheter of 28 February 2006, other SVT reporters scathingly criticized the documentary, alleging that the film-maker had fabricated a number of statements while omitting other contradictory evidence, in particular his chief source's earlier testimony that could not be reconciled with his claim to have seen the shooting.
On 21 February 1986 — a week before he was murdered — Palme made the keynote address to the Swedish People's Parliament Against Apartheid held in Stockholm, attended by hundreds of anti-apartheid sympathizers as well as leaders and officials from the ANC and the Anti-Apartheid Movement such as Oliver Tambo. In the address, Palme said, "Apartheid cannot be reformed, it has to be abolished."
Ten years later, towards the end of September 1996, Colonel Eugene de Kock, a former South African police officer, gave evidence to the Supreme Court in Pretoria, alleging that Palme had been shot and killed in 1986 because he "strongly opposed the apartheid regime and Sweden made substantial contributions to the ANC". De Kock went on to claim he knew the person responsible for Palme's murder. He alleged it was Craig Williamson, a former police colleague and a South African spy. A few days later, former police Captain Dirk Coetzee, who used to work with Williamson, identified Anthony White, a former Rhodesian Selous Scout with links to the South African security services, as Palme's actual murderer. Then a third person, Swedish mercenary Bertil Wedin, living in Northern Cyprus since 1985, was named as the killer by former police Lt. Peter Caselton, who had worked undercover for Williamson. The following month, in October 1996, Swedish police investigators visited South Africa, but were unable to uncover evidence to substantiate de Kock's claims.
A book that was published in 2007 suggested that a high-ranking Civil Cooperation Bureau operative, Athol Visser (or 'Ivan the Terrible'), was responsible for planning and carrying out Olof Palme's assassination.
The 8 September 2010 edition of Efterlyst, Sweden's equivalent of BBC TV's Crimewatch programme, was co-hosted by Tommy Lindström, who was the head of Swedish CID at the time of Olof Palme's assassination. After being asked by Efterlyst's host Hasse Aro who he believed was behind the assassination of the Prime Minister, Lindström without hesitating pointed to apartheid South Africa as the number one suspect. And the motive for this, he said, was to stop the payments (financed by the Soviet Union) that the Swedish government secretly paid, through Switzerland, to the African National Congress.
Bofors and Indian connectionEdit
In his 2005 book Blood on the Snow: The Killing of Olof Palme historian Jan Bondeson advanced a theory that Palme's murder was linked with arms trades to India. Bondeson's book meticulously recreated the assassination and its aftermath, and suggested that Palme had used his friendship with Rajiv Gandhi to secure a SEK 8.4 billion deal for the Swedish armaments company Bofors to supply the Indian Army with howitzers. However, Palme did not know that behind his back Bofors had used a shady company called AE Services — nominally based in Guildford, Surrey, England — to bribe Indian government officials to conclude the deal – the Bofors scandal.
Bondeson alleged that on the morning he was assassinated, Palme had met with the Iraqi ambassador to Sweden, Muhammad Saeed al-Sahhaf. The two discussed Bofors, which al-Sahhaf knew well because of its arms sales during the Iran–Iraq War. Bondeson suggested that the ambassador had told Palme about Bofors' activities, infuriating Palme. Bondeson theorized that Palme's murder might have been inadvertently triggered by his conversation with the ambassador, if either the Bofors arms dealers or the middlemen working through AE Services had a prearranged plan to silence the Prime Minister should he discover the truth and the deal with India become threatened. According to Bondeson, Swedish police suppressed vital MI6 intelligence about a Bofors/AE Services deal with India.
The Swedish journalist Anders Leopold, in his 2008 book Det svenska trädet skall fällas ("The Swedish Tree Shall Be Brought Down"), makes the case that the Chilean fascist Roberto Thieme killed Olof Palme. Thieme was head of the most militant wing of Patria y Libertad, a far-right political organization, financed by the US CIA. According to Leopold, Palme was killed because he had gratuitously given asylum to a great number of leftist Chileans following the coup that overthrew Salvador Allende in 1973.
In an article in the German weekly Die Zeit from March 1995, Klaus-Dieter Knapp presented his view of the assassination as a result of a conspiracy among Swedish right-wing extremist police officers. According to this report, the murderer was identified by two witnesses who happened to be at the scene and who knew the murderer from previous encounters.
Hans Holmér, the Stockholm police commissioner, followed up an intelligence lead passed to him (supposedly by Bertil Wedin) and arrested a number of Kurds living in Sweden, after allegations that one of their organizations, the PKK, was responsible for the murder. The lead proved inconclusive however and ultimately led to Holmér's removal from the Palme murder investigation. Fifteen years later, in April 2001, a team of Swedish police officers went to interview PKK leader Abdullah Öcalan in a Turkish prison about Turkish allegations that a dissident Kurdish group, led by Öcalan's ex-wife, murdered Palme. The police team's visit proved futile.
The Turkish newspapers have several times claimed that the PKK has admitted the murder but the PKK have always denied all claims. In 1998, the PKK said that there is a strong indication that the Turkish side is trying to discredit the PKK using Olof Palme's murder. Also many Kurdish organizations believe that the initial claims were propaganda of the Turkish government.
The CIA and P2 connectionEdit
Another plot sees the involvement of the CIA and the Italian masonic lodge Propaganda Due led by Licio Gelli who wrote, in a telegram to Philip Guarino, that "the Swedish tree will be felled".  
Trowbridge H Ford, a former US army intelligence agent now living in Stockholm, among other bloggers, theorizes that Palme, as the UN mediator seeking an end to the Iran-Iraq war, was assassinated because he fell afoul of Iran-Contra.
"The Skandia man"Edit
The Swedish magazine Filter published in May 2018 a series of articles based on a long-running investigation into Palme's murder by a free-lance journalist and investigator Thomas Petterson. Petterson's findings were also covered elsewhere in the Swedish media, for example by the Expressen and Aftonbladet newspapers.
The central theory of the articles is that Palme was shot by the so-called "Skandia man" (Skandiamannen), Stig Engström. In earlier accounts Engström had been treated mostly as a witness, specifically (by his own assertion) the first eyewitness to arrive at the scene of the murder. He had also been briefly investigated by the police as a possible suspect, but this had subsequently been dropped. The book posits a scenario whereby Engström, who had a strong dislike of Palme and his policies, had chanced upon Palme in the street and shot him, possibly without premeditation.
When the police soon after the incident announced that they were looking for a suspect wearing a dark overcoat, Engström came forward to explain that this was a case of mistaken identity and that the police's description was that of him leaving his place of work near the place and time of the shooting and appearing on the scene as a witness. According to him, the 'real' attacker was instead wearing a blue hooded jacket. Engström appeared in media interviews several times afterwards to repeat his account, possibly in order to divert attention away from him.
Engström is dead, having committed suicide in 2000.
The "Skandia man" theory had already previously been suggested by Lars Larsson in his 2016 book Nationens fiende (literally, "The enemy of the nation"), but this received only limited attention at the time.
- The cost of the investigation stands at SEK 350 million, €38 million or US$45 million as of 25 February 2006.
- The total number of pages accumulated during the investigation is around 700,000. According to criminologist Leif G. W. Persson, the investigation is "the largest in global police history".
- The reward for solving the murder is SEK 50 million (approximately €5 million or US$7 million.)
In the 1998 Swedish fictional thriller film The Last Contract (Sista kontraktet), Palme's assassination was portrayed as having been planned by a hired assassin.
- Bondeson, Jan (2005). Blood on the snow: The killing of Olof Palme. Cornell University Press. ISBN 0-8014-4211-7.
- Poutiainen, Kari; Poutiainen, Pertti (1994). Inuti labyrinten [Within the labyrinth] (in Swedish). Grimur. ISBN 978-91-630-8128-6.
- Holmér, Hans (1988). Olof Palme är skjuten! [Olof Palme has been shot!]. Stockholm: Wahlström & Widstrand. ISBN 91-46-16153-8.
- Springer, Elzo; van Soest, Dolf (2006). Ah, was it him? The predicted murder of Olof Palme and the Dutch connection. Netherlands. ISBN 90-810277-1-9.
- Persson, Leif G.W. (2003). Mellan sommarens längtan och vinterns köld: en roman om ett brott [Between Summer's Longing and Winter's End] (in Swedish). [Stockholm]: Piratförlaget. ISBN 91-642-0072-8.; Leif GW Persson is a Swedish criminologist and, 9 years prior to the assassination, a member of the Swedish National Police Board. The book is the thinly disguised story of events leading to the assassination of Olof Palme. The book has Palme as having been a CIA agent in his days of student politics but who later turned to work for the Soviets. Persson introduces another suggestion: that the assassination was carried out by a hit man hired by a renegade member of the Swedish Security Service.
- Douglas-Gray, John. The Novak Legacy. ISBN 978-0-7552-1321-4.
- The investigation committee report (1999:88), p. 161. Archived 2 December 2007 at the Wayback Machine. (PDF) (in Swedish)
- The investigation committee report (1999:88), p. 162. Archived 2 December 2007 at the Wayback Machine. (PDF) (in Swedish)
- The investigation committee report (1999:88), p. 159 Archived 2 December 2007 at the Wayback Machine. (PDF) (in Swedish)
- The investigation committee report (1999:88), p. 173 Archived 2 December 2007 at the Wayback Machine. (PDF) (in Swedish)
- The investigation committee report (1999:88), p. 151-152. Archived 2 December 2007 at the Wayback Machine. (PDF) (in Swedish)
- Tagesson, Pelle (24 November 2006). "Här är de två heta vapnen" [Here are the two weapons]. Aftonbladet (in Swedish). Retrieved 9 January 2011.
- Wadendal, Ia; Kihlström, Staffan (20 October 2002). "Mordvapnet kan vara funnet" [The murder weapon could be found]. Dagens Nyheter (in Swedish). Retrieved 21 July 2011.
- Nordstrom, Louise (21 November 2006). "Swedish Police Recover Revolver Linked to Palme Murder Investigation". The America's Intelligence Wire. Associated Press. Retrieved 21 July 2011.
- "Swedish Police Unable to Confirm Link Between Recovered Gun and Palme Murder Investigation". International Herald Tribune. Associated Press. 27 May 2007.
- Hufelschulte, Josef (16 January 2011). "Heiße Spur im Mordfall Palme". Focus (in German). Retrieved 21 July 2011.
- Sundell, Camilla (17 January 2011). "Tyska medier: Nya uppgifter om Palme-mordet" [German media: New information on the Palme murder]. Aftonbladet (in Swedish). Retrieved 21 July 2011.
- SOU 2002:87 Rikets säkerhet och den personliga integriteten Archived 29 September 2007 at the Wayback Machine., Swedish Government Official Report, p. 239
- Borgnäs, Lars; Bresky, Tomas (28 February 2006). "Filmen om mordet på Palme ett moraliskt haveri av SVT" [The film about the murder of Palme, a moral breakdown of SVT]. Dagens Nyheter (in Swedish). Retrieved 10 October 2008.
- Speech made by the Prime Minister. Mr Olof Palme, at the "Swedish People's Parliament against Apartheid" at Folkets Hus on 21 February 1986
- http://www.kurdistan.org/Washington/southafrica.html Archived 9 December 2007 at the Wayback Machine.
- Daley, Suzanne (29 September 1996). "Did Apartheid's Police Murder Sweden's Prime Minister?". The New York Times. Retrieved 10 October 2008.
- Sweden Vs Apartheid: Putting Morality Ahead of Profit, Abdul Karim Bangura, Ashgate, 2004, page 115
- Devil Incarnate: A Depraved Mercenary's Lifelong Swathe of Destruction; by Wayne Thallon. Amazon. ASIN 1845962060.
- "Efterlyst interview with Tommy Lindström" (in Swedish). TV3. 8 September 2010. Retrieved 9 September 2010.
- "Ny bog: Chilensk fascistleder myrdede Olof Palme". Politiken (in Danish). 29 February 2008. Archived from the original on 6 June 2011. Retrieved 21 July 2011.
- Knapp, Klaus-Dieter (24 February 1995). "Der Polizei auf der Spur". Die Zeit (in German) (9): 13–15.
- "Ocalan denies role in key rebel actions, Palme assassination". Retrieved 28 February 2016.
- "Ocalan questioned over Swedish murder". BBC News. 5 April 2011. Retrieved 21 July 2011.
- Dolmaci, Emine (7 September 2008). "Apo, Ergenekon'un Truva Ati". Zaman Pazar (in Turkish). Archived from the original on 12 September 2008. Retrieved 10 October 2008.
- "Did Kurd Rebels Kill Olof Palme?". CBS News. Associated Press. 28 April 1998. Retrieved 23 July 2015.
- http://so.firatajans.com/guncel/isvec-palme-cinayeti-icin-kurtlerden-ozur-dilemeli[permanent dead link]
- "L'albero svedese sarà abbattuto", from a telegram by Licio Gelli to Philip Guarino, from the hearing of Ennio Remondino in the parliamentary inquiry commission about Italian terrorism and the causes behind the unsuccessful identification of the massacre's guilty party, 72nd session, 4 July 2000 (president Giovanni Pellegrino)
- "Licio Gelli coinvolto nell'omicidio Palme" (in Italian). la Repubblica. 1 May 1990. Retrieved 28 August 2015.
L'ipotesi di un coinvolgimento di Licio Gelli nell' omicidio di Olof Palme, il premier svedese assassinato a Stoccolma alcuni anni fa, è stata avanzata ieri dal quotidiano Dagens Nyheter. Nell' articolo, firmato da un giornalista molto noto in Svezia, Olle Alsen, si ricorda l' esistenza di un telegramma che parrebbe compromettere il capo della P2. [...] Un portavoce della commissione d' inchiesta ha commentato che la pista italiana è di estrema rilevanza.
- Fedrighini, Enrico (27 February 2013). "Olof Palme, un caso ancora aperto" (in Italian). Il Fatto Quotidiano. Retrieved 28 August 2015.
Washington, 25 febbraio 1986, martedì. Philip Guarino, esponente del Partito Repubblicano molto vicino a George Bush senior, rilegge il messaggio che gli è stato appena recapitato; un telegramma inviato da una località remota del Sud America, una sorta di codice cifrato: “Tell our friend the Swedish palm will be felled”. La firma è di un italiano, Licio Gelli, vecchia conoscenza di Guarino; alcuni anni prima, avevano entrambi sottoscritto un affidavit a favore di un finanziere, Michele Sindona. “Informa i nostri amici che la palma svedese verrà abbattuta”.
- "Palmemordet: Den osannolika mördaren" (62). Filter. May 2018. Retrieved 24 May 2018.
- "Police investigate Engström for the murder of Palme". Expressen. 23 May 2018. Retrieved 24 May 2018.
- "Skandiamannen pekas ut som möjlig Palmemördare - exfrun till nytt förhör". Aftonbladet. 23 May 2018. Retrieved 24 May 2018.
- "Skandiamannen växte upp i armékläder". Expressen. 23 May 2018. Retrieved 24 May 2018.
- Larsson, Lars. "Boken Nationens Fiende av Lars Larsson; om mordet på Olof Palme". Nationens Fiende. Retrieved 24 May 2018.
- DN (25 February 2006). "Palmemordet i siffror" [Palme murder in numbers]. Dagens Nyheter (in Swedish). Retrieved 21 July 2011.
- Persson, Leif G.W. (1 March 2009). "Borta men inte glömda". Expressen (in Swedish). Retrieved 19 July 2010.