Breach of the peace
Breach of the peace, or disturbing the peace, is a legal term used in constitutional law in English-speaking countries, and in a wider public order sense in the several jurisdictions of the United Kingdom. It is a form of disorderly conduct.
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In the United States, prosecutions for breach of the peace are subject to constitutional constraints. In Terminiello v. City of Chicago, the United States Supreme Court held that an ordinance of the City of Chicago that banned speech which "stirs the public to anger, invites dispute, brings about a condition of unrest, or creates a disturbance" was unconstitutional under the First Amendment to the United States Constitution. Justice Douglas stated: "Accordingly a function of free speech under our system of government is to invite dispute. It may indeed best serve its high purpose when it induces a condition of unrest, creates dissatisfaction with conditions as they are, or even stirs people to anger. Speech is often provocative and challenging. It may strike at prejudices and preconceptions and have profound unsettling effects as it presses for acceptance of an idea."
In Cox v. Louisiana, the Supreme Court held that a Louisiana statute criminalizing breaches of the peace was unconstitutionally vague and overbroad because it would allow persons to be prosecuted for expressing unpopular views. The statute read in part:
Whoever with intent to provoke a breach of the peace, or under circumstances such that a breach of the peace may be occasioned thereby ... crowds or congregates with others ... in or upon ... a public street or public highway, or upon a public sidewalk, or any other public place or building ... and who fails or refuses to disperse and move on ... when ordered so to do by any law enforcement officer of any municipality, or parish, in which such act or acts are committed, or by any law enforcement officer of the state of Louisiana, or any other authorized person ... shall be guilty of disturbing the peace.
On the state level, at least one court has reasoned that the essence of a breach of the peace was the potential to cause a disruption in tranquility or to promote the threat of violence, stating that a breach of the peace was that which "disturbs or threatens to disturb the tranquility enjoyed by the citizens ”.  
England, Wales and Northern IrelandEdit
In England and Wales, theoretically all criminal offences cognizable by English law involve "a breach of the Queen's peace", and all indictments formerly concluded "against the peace of our Lady the Queen, her crown and dignity" before the passage of the Indictments Act 1915 and the Rules that formed that Act's first schedule. The conclusion has also found its way into constitutional law in many United States state constitutions, which mandate that indictments within the state end in a similar manner to the above, usually omitting the "crown" part or substituting "government". For example, New Jersey's is "against the peace of this State, the government and dignity of the same".
Historically that concluding phrase, now legally superfluous, represents the last trace of the process by which the royal courts assume jurisdiction over all offences, and gradually eroded the jurisdiction of the sheriff and of lords of manor and franchises, making crime a matter of national concern as distinguished from civil wrongs or infractions of the rights of local magnates. The Peace of the King was sworn on his accession or full recognition, and the jurisdiction of his courts to punish all violations of that peace was gradually asserted. The completion of this process is marked by the institution of the office of Justice of the Peace.
In England, Wales and Northern Ireland, breach of the peace is descended from the Justices of the Peace Act 1361, which refers to riotous and barratous behaviour that disturbs the peace of the King. More modern authority defines a breach of the peace as "when a person reasonably believes harm will be caused, or is likely to be caused, to a person or in his presence to his property, or a person is in fear of being harmed through an assault, affray, riot, unlawful assembly, or some other form of disturbance".
Section 17(5) of PACE 1984 abolished all powers of a Constable to enter under the common law with the specific exception (subsection 6) when dealing with or preventing a common law breach of the peace. This "offence" definition and power of arrest are contained under the common law definition of "breach of the peace". Breach of the peace powers are unusual in the fact they originate from the laws Alfred the Great consolidated into the common law approximately 1,000 years before the modern Constable was thought up. The first legislative reference to the common law breach of the peace was under the Justice of the Peace Act 1361. As a result, when a Constable uses their breach of the peace powers, they are acting as 'any person' and not fully as a sworn officer.
In England and Wales, breach of the peace is a civil proceeding (rather than a criminal offence), although the case must be proved to the criminal standard of proof, 'beyond reasonable doubt', rather than the civil standard of proof, 'on the balance of probabilities'. Sometimes the Crown Prosecution Service conduct the case on behalf of the police, but the police service is liable for any costs awarded in favour or against the prosecutor. Breach of the Peace is not an offence, in the sense that it is not punishable either by a fine or imprisonment either at statute or common law and nor do proceedings for breach of the peace give rise to any conviction. In England and Wales, constables (or other persons) are permitted to arrest a person to "prevent a further breach of the peace" which allows for the police or the public to arrest a person before a breach of the peace has occurred. This is permitted when it is reasonable to believe should the person remain, that they would continue with their course of conduct and that a Breach of the Peace would occur.
The only immediate sanction that can be imposed by a court for breach of the peace is to bind over the offender to keep the peace: that is, justices of the peace can require a person to enter into a recognizance to keep the peace. Any punishment (in the sense of a loss of freedom or permanent financial penalty) takes the form of loss of the surety if the defendant fails to keep the peace or be of good behaviour during the period for which he is bound over. The binding over itself does not amount to a conviction (but any following behaviour causing loss of the surety might well result in conviction for an associated offence). A failure to enter into a recognizance may of itself lead to a person being committed to custody under s.115(3) Magistrates' Courts Act 1980.
There are major differences between English law and Scottish law with respect to dealing with breach of the peace; unlike England and Wales where criminal penalties apply to the behaviour leading to or liable to cause a breach of the peace, it is a specific criminal offence in Scotland which is prosecuted daily in the sheriff courts and due to its common law definition it can be applied to a number of scenarios. The maximum punishment if a case is remitted to the High Court remains imprisonment for life although such severe punishment is now rarely applied, usually being associated with breaches of licence during an existing life sentence.
The Scottish law definition of a breach of the peace is "conduct severe enough to cause alarm to ordinary people and threaten serious disturbance to the community".
A constable may arrest any person, without warrant, who commits a breach of the peace. A member of the public may not arrest a person for behaviour which amounts to no more than a breach of the peace (i.e. an arrest is not always for the offence for which someone is eventually prosecuted but can be for a more serious crime that appears to be occurring).
Breach of the peace can include, but is not limited to, any riotous behaviours (which includes "rowdiness" or "brawling") and any disorderly behaviour. This behaviour need not be noisy but still of a nature that would cause concern to other people. Examples include voyeurism, persistently following someone, delivering "threatening" letters and "streaking" or "mooning".
To prove a breach of the peace, the most important things to prove are that someone was alarmed, annoyed or disturbed by the incident. The offence can take place anywhere, for example, a public street or any public space.
- R v Howell 1982 (E/W case law
- CPS.gov.uk (self-defence / prevention of crime advice)
- The Crown Prosecution Service Guidance for Breach of the Peace and Bind Over Orders (Applies to England & Wales)
- Terminiello v. City of Chicago, 337 U.S. 1 (1949).
- Terminiello, 337 U.S. at 4.
- Cox v. Louisiana, 379 U.S. 536, 551 (1965).
- Cox, 379 U.S. at 544 (quoting La. Rev. Stat. § 14:103.1 (Cum. Supp. 1962)).
- Woods v. State, 152 Tex. Crim. 338, 213 S.W.2d 685, 687 (1948)
- Head v. State, 131 Tex. Crim. 96, 96 S.W.2d 981, 982 (1936)).
- "Indictments Act 1915" (PDF). Legislation.gov.uk. Retrieved 2 July 2015.
- "New Jersey State Constitution". Njleg.state.nj.us. Archived from the original on 30 June 2009. Retrieved 14 June 2015.
- One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Peace, Breach of the". Encyclopædia Britannica. 4 (11th ed.). Cambridge University Press. p. 16.
- "Justices of the Peace Act 1361". Opsi.gov.uk. Archived from the original on 16 April 2009. Retrieved 2 July 2015.
- R. v. Howell  QB 416
- "Context of the Police and Criminal Evidence Act 1984 in gaining access to an adult suspected of being at risk of neglect or abuse: a guide for social workers and their managers in England – SCIE". www.scie.org.uk.
- *R v Howell 1982 (E/W case law)
- "Arrest and detention—overview - Lexis®PSL, practical guidance for lawy..." www.lexisnexis.com.
- Birtles, William (1973). "The Common Law Power of the Police to Control Public Meetings". The Modern Law Review. 36 (6): 587–599. doi:10.1111/j.1468-2230.1973.tb01388.x.
- Department, Law Lords. "House of Lords - R (on the application of Laporte) (FC) (Original Appellant and Cross-respondent) v. Chief Constable of Gloucestershire (Original Respondent and Cross-appellant)". publications.parliament.uk.
- "A BBC producer threatened a driver with citizen's arrest but what are the rules and can you make one?". thesun.co.uk. 25 July 2017.
- "Justices of the Peace Act 1361". www.legislation.gov.uk.
- "Binding Over Orders | The Crown Prosecution Service". www.cps.gov.uk. Retrieved 26 May 2018.
- R. v. County of London Quarter Sessions Appeals Committee, ex parte Metropolitan Police Commissioner  1 KB 670, per Lord Goddard, CJ; Williamson v. Chief Constable of West Midlands Police  (1 WLR 14, per Dyson, LJ)
- "Your rights - Other Police Powers to Restrict Right to Protest". Yourrights.org.uk. Archived from the original on 9 April 2010. Retrieved 14 June 2015.
- Smith v Donnelly 2002 J.C. 65 or 2001 S.L.T. 1007 or 2001 S.C.C.R. 800 (Confirmed with full bench decision in Jones v Carnegie 2004 S.L.T. 609 or 2004 S.C.C.R. 361)
- "Smith v Donnelly (Procurator Fiscal, Dumbarton)  ScotHC 121 (28 September 2001)". Bailii.org. Retrieved 14 June 2015.