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In criminal law, a conspiracy is an agreement between two or more persons to commit a crime at some time in the future. Criminal law in some countries or for some conspiracies may require that at least one
overt act In criminal law, an overt act is the one that can be clearly proved by evidence and from which criminal intent can be inferred, as opposed to a mere intention in the mind to commit a crime. Such an act, even if innocent ''per se'', can potentiall ...
be undertaken in furtherance of that agreement, to constitute an offense. There is no limit on the number participating in the conspiracy and, in most countries, the plan is the crime, so there is no requirement that any steps have been taken to put the plan into effect (compare attempts which require proximity to the full offense). For the purposes of
concurrence In Western jurisprudence, concurrence (also contemporaneity or simultaneity) is the apparent need to prove the simultaneous occurrence of both ("guilty action") and ("guilty mind"), to constitute a crime; except in crimes of strict liability ...
, the '' actus reus'' is a continuing one and parties may join the plot later and incur joint liability and conspiracy can be charged where the co-conspirators have been acquitted or cannot be traced. Finally, repentance by one or more parties does not affect liability (unless, in some cases, it occurs ''before'' the parties have committed overt acts) but may reduce their sentence. An unindicted co-conspirator, or unindicted conspirator, is a person or entity that is alleged in an
indictment An indictment ( ) is a formal accusation that a person has committed a crime. In jurisdictions that use the concept of felonies, the most serious criminal offence is a felony; jurisdictions that do not use the felonies concept often use that of a ...
to have engaged in conspiracy, but who is not charged in the same indictment. Prosecutors choose to name persons as unindicted co-conspirators for a variety of reasons including grants of immunity, pragmatic considerations, and evidentiary concerns.


England and Wales


Common law offence

At
common law In law, common law (also known as judicial precedent, judge-made law, or case law) is the body of law created by judges and similar quasi-judicial tribunals by virtue of being stated in written opinions."The common law is not a brooding omnipres ...
, the crime of conspiracy was capable of infinite growth, able to accommodate any new situation and to criminalize it if the level of threat to
society A society is a group of individuals involved in persistent social interaction, or a large social group sharing the same spatial or social territory, typically subject to the same political authority and dominant cultural expectations. Soci ...
was sufficiently great. The
court A court is any person or institution, often as a government institution, with the authority to adjudicate legal disputes between parties and carry out the administration of justice in civil, criminal, and administrative matters in acco ...
s were therefore acting in the role of the
legislature A legislature is an assembly with the authority to make law Law is a set of rules that are created and are enforceable by social or governmental institutions to regulate behavior,Robertson, ''Crimes against humanity'', 90. with its p ...
to create new offences and, following the
Law Commission A law commission, law reform commission, or law revision commission is an independent body set up by a government to conduct law reform; that is, to consider the state of laws in a jurisdiction and make recommendations or proposals for legal chang ...
Report No. 76 on Conspiracy and Criminal Law Reform, the Criminal Law Act 1977 produced a statutory offence and abolished all the common law varieties of conspiracy, except two: that of conspiracy to defraud, and that of conspiracy to corrupt public morals or to outrage public decency.


Conspiracy to defraud

Section 5(2) of the Criminal Law Act 1977 preserved the common law offence of conspiracy to defraud. Conspiracy to defraud was defined in ''Scott v Commissioner of Police of the Metropolis'' per Viscount Dilhorne:


Conspiracy to corrupt public morals or to outrage public decency

Section 5(3) Criminal Law Act 1977 preserved the common law offence of conspiracy to corrupt public morals or of conspiracy to outrage public decency. Conspiracy to corrupt public morals is an offence under the common law of England and Wales. Conspiracy to outrage public decency is an offence under the common law of England and Wales. Section 5(1) of the Criminal Law Act 1977 does not affect the common law offence of conspiracy if, and in so far as, it can be committed by entering into an agreement to engage in conduct which tends to corrupt public morals, or which outrages public decency, but which does not amount to or involve the commission of an offence if carried out by a single person otherwise than in pursuance of an agreement. One authority maintains that conspiracy to "corrupt public morals" has no definitive case law, that it is unknown whether or not it is a substantive offence, and that it is unlikely that conspirators will be prosecuted for this offence. These two offences cover situations where, for example, a publisher encourages immoral behaviour through explicit content in a magazine or periodical, as in the 1970 case of ''Knuller (Publishing, Printing and Promotions) Ltd v Director of Public Prosecutions'', which ultimately was decided in 1973 by the House of Lords. In the 1991 case of ''R v Rowley'', the defendant left notes in public places over a period of three weeks offering money and presents to boys with the intention of luring them for immoral purposes, but there was nothing lewd, obscene or disgusting in the notes, nor were they printed by a news magazine at the behest of Rowley, which would have invoked the element of conspiracy. The judge ruled that the
jury A jury is a sworn body of people (jurors) convened to hear evidence and render an impartial verdict (a finding of fact on a question) officially submitted to them by a court, or to set a penalty or judgment. Juries developed in England du ...
was entitled to look at the purpose behind the notes in deciding whether they were lewd or disgusting. On appeal against
conviction In law, a conviction is the verdict reached by a court of law finding a defendant guilty of a crime. The opposite of a conviction is an acquittal (that is, "not guilty"). In Scotland, there can also be a verdict of " not proven", which is cons ...
, it was held that an act outraging public decency required a deliberate act which was in itself lewd, obscene or disgusting, so Rowley's motive in leaving the notes was irrelevant and, since there was nothing in the notes themselves capable of outraging public decency, the conviction was quashed.


Statutory offence

This offence was created as a result of the Law Commission's recommendations in their Report, Conspiracy and Criminal Law Reform, 1976, Law Com No 76. This was part of the commission's programme of codification of the criminal law. The eventual aim was to abolish all the remaining common law offences and replace them, where appropriate, with offences precisely defined by statute. The common law offences were seen as unacceptably vague and open to development by the courts in ways which might offend the principle of certainty. There was an additional problem that it could be a criminal conspiracy at common law to engage in conduct which was not in itself a criminal offence: see Law Com No 76, para 1.7. This was a major mischief at which the 1977 Act was aimed, although it retained the convenient concept of a common law
conspiracy to defraud Conspiracy to defraud is an offence under the common law of England and Wales and Northern Ireland. England and Wales The standard definition of a conspiracy to defraud was provided by Lord Dilhorne in '' Scott v Metropolitan Police Commissioner'' ...
: see Law Com No 76, paras 1.9 and 1.16. Henceforward, according to the Law Commission, it would only be an offence to agree to engage in a course of conduct which was itself a criminal offence. Section 1(1) of the Criminal Law Act 1977 provides: Section 1A (inserted by the
Criminal Justice (Terrorism and Conspiracy) Act 1998 The Criminal Justice (Terrorism and Conspiracy) Act 1998 is a law passed in the United Kingdom, which came into force on 4 September 1998. It stipulated that it is an offense to participate in a conspiracy to carry out a course of conduct that le ...
, s. 5) bans conspiracies part of which occurred in England and Wales to commit an act or the happening of some other event outside the United Kingdom which constitutes an offence under the law in force in that country or territory. Many conditions apply including that prosecutions need consent from the Attorney General.


Exceptions

* Under section 2(1) the intended victim of the offence cannot be guilty of conspiracy. * Under section 2(2) there can be no conspiracy where the only other person(s) to the agreement are:


''Mens rea''

There must be an agreement between two or more persons. The ''mens rea'' of conspiracy is a separate issue from the ''mens rea'' required of the substantive crime. Lord Bridge in ''R v Anderson'' – quoted in ''R v Hussain'' said: Lord Bridge in ''R v Anderson'' also said: It is not therefore necessary for any action to be taken in furtherance of the criminal purpose in order for a conspiracy offence to have been committed. This distinguishes a conspiracy from an attempt (which necessarily does involve a person doing an act): see Criminal Attempts Act 1981.


Things said or done by one conspirator

Lord Steyn in ''R v Hayter'' said:


History

According to Edward Coke, conspiracy was originally a statutory remedy against false accusation and prosecution by "a consultation and agreement between two or more to appeal or indict an innocent man falsely and maliciously of felony, whom they cause to be indicted and appealed; and afterward the party is lawfully acquitted". In '' Poulterer's Case'', 77 Eng. Rep. 813 (K.B. 1611), the court reasoned that the thrust of the crime was the confederating of two or more, and dropped the requirement that an actual indictment of an innocent take place, whereby precedent was set that conspiracy only need involve an attempted crime, and that the agreement was the act, which enabled subsequent holdings against an agreement to commit any crime, not just that originally proscribed.


Conspiracy to trespass

In ''Kamara v Director of Public Prosecutions'', nine students, who were nationals of
Sierra Leone Sierra Leone,)]. officially the Republic of Sierra Leone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea surrounds the northern half of the nation. Covering a total area of , Sierr ...
, appealed their convictions for conspiracy to trespass, and unlawful assembly. These persons, together with others who did not appeal, conspired to occupy the London premises of the High Commissioner for Sierra Leone in order to publicize grievances against the government of that country. Upon their arrival at the commission, they threatened the caretaker with an imitation firearm and locked him in a reception room with ten other members of the staff. The students then held a press conference on the telephone, but the caretaker was able to contact the police, who arrived, released the prisoners, and arrested the accused. In this case the Court felt that the public interest was clearly involved because of the statutory duty of the British Government to protect diplomatic premises. Lauton J delivered the judgment of the Court of Appeal dismissing the appeal from conviction.


Conspiracy to corrupt public morals and conspiracy to outrage public decency

These offences were at one time tied up with prostitution and homosexual behaviour. After the Second World War, due to the fame of several convicts, the
Wolfenden report The Report of the Departmental Committee on Homosexual Offences and Prostitution (better known as the Wolfenden report, after Sir John Wolfenden, the chairman of the committee) was published in the United Kingdom on 4 September 1957 after a suc ...
was commissioned by government, and was published in 1957. Thereupon came the publication of several books, both pro and contra the report. Of these books we can isolate two representatives: Lord Devlin wrote in favour of societal norms, or morals, while
H. L. A. Hart Herbert Lionel Adolphus Hart (18 July 190719 December 1992), known simply as H. L. A. Hart, was an English legal philosopher. He was Professor of Jurisprudence (University of Oxford), Professor of Jurisprudence at Oxford University an ...
wrote that the state could ill regulate private conduct. In May 1965, Devlin is reported to have conceded defeat. The
Street Offences Act 1959 The Street Offences Act 1959 (7 & 8 Eliz 2 c 57) is an Act of the Parliament of the United Kingdom concerning street prostitution. It was passed following the publication of the Wolfenden report which discussed the rise in street prostitution a ...
prohibited England's prostitutes from soliciting in the streets. One Shaw published a booklet containing prostitutes' names and addresses; each woman listed had paid Shaw for her advertisement. A 1962 majority in the House of Lords not only found the appellant guilty of a statutory offence (living on the earnings of prostitution), but also of the "common law misdemeanour of conspiracy to corrupt public morals".''Shaw v DPP'' 962AC 220 (HL). In the case of ''Knuller (Publishing, Printing and Promotions) Ltd v DPP'', which was decided 1973 in the
House of Lords The House of Lords, also known as the House of Peers, is the upper house of the Parliament of the United Kingdom. Membership is by appointment, heredity or official function. Like the House of Commons, it meets in the Palace of Westminste ...
, the appellants were directors of a company which published a fortnightly magazine. On an inside page under a column headed "Males" advertisements were inserted inviting readers to meet the advertisers for the purpose of homosexual practices. The appellants were convicted on counts of # conspiracy to corrupt public morals, and # conspiracy to outrage public decency. The appeal on count 1 was dismissed, while the appeal on count 2 was allowed because in the present case there had been a misdirection in relation to the meaning of "decency" and the offence of "outrage". The list of cases consulted in the ''ratio decidendi'' is lengthy, and the case of ''Shaw v DPP'' is a topic of furious discussion.


Conspiracy to effect a public mischief

In ''Withers v Director of Public Prosecutions'', which reached the House of Lords in 1974, it was unanimously held that conspiracy to effect a public mischief was not a separate and distinct class of criminal conspiracy. This overruled earlier decisions to the contrary effect. The Law Commission published a consultation paper on this subject in 1975.


Conspiracy to murder

The offence of
conspiracy to murder Conspiracy to murder is a statutory offence defined by the intent to commit murder. England and Wales The offence of conspiracy to murder was created in statutory law by section 4 of the Offences Against the Person Act 1861 and retained as ...
was created in statutory law by section 4 of the Offences Against the Person Act 1861.


Northern Ireland


Common law offence

See .


Statutory offence

Se
Part IV
of the Criminal Attempts and Conspiracy (Northern Ireland) Order 1983 (S.I. 1983/1120 (N.I. 13)).


United States

Conspiracy has been defined in the United States as an agreement of two or more people to commit a crime, or to accomplish a legal end through illegal actions. A conspiracy does not need to have been planned in secret to meet the definition of the crime. Conspiracy law usually does not require proof of specific intent by the defendants to injure any specific person to establish an illegal agreement. Instead, usually the law requires only that the conspirators have agreed to engage in a certain illegal act. In most U.S. jurisdictions, for a person to be convicted of conspiracy, not only must he or she agree to commit a crime, but at least one of the conspirators must commit an overt act (the '' actus reus'') in furtherance of the crime. However, in '' United States v. Shabani'' the U.S. Supreme Court ruled that this "overt act" element is not required under the federal drug conspiracy statute, 21 U.S.C. section 846. The conspirators can be guilty even if they do not know the identity of the other members of the conspiracy. California criminal law is somewhat representative of other jurisdictions. A punishable conspiracy exists when at least two people form an agreement to commit a crime, and at least one of them does some act in furtherance to committing the crime. Each person is punishable in the same manner and to the same extent as is provided for the punishment of the crime itself. One example of this is the Han twins murder conspiracy case, where one twin sister attempted to hire two youths to have her twin sister killed. One important feature of a conspiracy charge is that it relieves prosecutors of the need to prove the particular ''roles'' of conspirators. If two persons plot to kill another (and this can be proven), and the victim is indeed killed as a result of the actions of either conspirator, it is not necessary to prove with specificity which of the conspirators actually pulled the trigger. (Otherwise, both conspirators could conceivably handle the gun, leaving two sets of fingerprints and then demand acquittals for both, based on the fact that the prosecutor would be unable to prove, beyond a reasonable doubt, which of the two conspirators pulled the trigger.) A conspiracy conviction requires proof that (a) the conspirators did indeed conspire to commit the crime, and (b) the crime was committed by ''an'' individual involved in the conspiracy. Proof of ''which'' individual it was is usually not necessary. It is also an option for prosecutors, when bringing conspiracy charges, to decline to indict all members of the conspiracy (though the existence of all members may be mentioned in an
indictment An indictment ( ) is a formal accusation that a person has committed a crime. In jurisdictions that use the concept of felonies, the most serious criminal offence is a felony; jurisdictions that do not use the felonies concept often use that of a ...
). Such ''unindicted co-conspirators'' are commonly found when the identities or whereabouts of members of a conspiracy are unknown, or when the prosecution is concerned only with a particular individual among the conspirators. This is common when the target of the indictment is an elected official or an
organized crime Organized crime (or organised crime) is a category of transnational, national, or local groupings of highly centralized enterprises run by criminals to engage in illegal activity, most commonly for profit. While organized crime is generally th ...
leader, and the co-conspirators are persons of little or no public importance. More famously, President
Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...
was named as an unindicted co-conspirator by the Watergate special prosecutor, in an event leading up to his eventual resignation.


Conspiracy against the United States

Conspiracy against the United States, or conspiracy to defraud the United States,§ 923
18 U.S.C. § 371—Conspiracy to Defraud the United States
U.S. Department of Justice's ''
United States Attorneys' Manual The ''Justice Manual'' (known before 2018 as the ''United States Attorneys' Manual'') is a looseleaf text designed as a quick and ready reference for United States Attorneys and other employees of the United States Department of Justice responsibl ...
''.
is a
federal offense In the United States, a federal crime or federal offense is an act that is made illegal by U.S. federal legislation enacted by both the United States Senate and United States House of Representatives and signed into law by the president. Prosec ...
in the
United States of America The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territo ...
under . The crime is that of two or more persons who conspire to commit an offense against the United States, or to
defraud In law, fraud is intentional deception to secure unfair or unlawful gain, or to deprive a victim of a legal right. Fraud can violate civil law (e.g., a fraud victim may sue the fraud perpetrator to avoid the fraud or recover monetary compens ...
the United States.


Conspiracy against rights

The United States has a federal statute dealing with conspiracies to deprive a citizen of rights secured by the
U.S. Constitution The Constitution of the United States is the supreme law of the United States of America. It superseded the Articles of Confederation, the nation's first constitution, in 1789. Originally comprising seven articles, it delineates the nation ...
.


Unindicted co-conspirators

The ''
United States Attorneys' Manual The ''Justice Manual'' (known before 2018 as the ''United States Attorneys' Manual'') is a looseleaf text designed as a quick and ready reference for United States Attorneys and other employees of the United States Department of Justice responsibl ...
'' generally recommends against naming unindicted co-conspirators, although their use is not generally prohibited by law or policy. Some commentators have raised due-process concerns over the use of unindicted co-conspirators. Although there have been few cases on the subject, the
Fifth Circuit Court of Appeals The United States Court of Appeals for the Fifth Circuit (in case citations, 5th Cir.) is a federal court with appellate jurisdiction over the district courts in the following federal judicial districts: * Eastern District of Louisiana * Mi ...
addressed these concerns in 1975 ''United States v. Briggs''.


President Richard Nixon

The term ''unindicted co-conspirator'' was familiarized in 1974 when then U.S. President
Richard Nixon Richard Milhous Nixon (January 9, 1913April 22, 1994) was the 37th president of the United States, serving from 1969 to 1974. A member of the Republican Party, he previously served as a representative and senator from California and was ...
was named as an unindicted co-conspirator in indictments stemming from the Watergate Investigation. Nixon was not indicted, because of concerns about whether the United States Constitution allowed the indictment of a sitting President (see
Executive privilege Executive privilege is the right of the president of the United States and other members of the executive branch to maintain confidential communications under certain circumstances within the executive branch and to resist some subpoenas and othe ...
).


President Donald Trump

The term ''unindicted co-conspirator'' made a resurgence in the public discourse when U.S. President
Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who served as the 45th president of the United States from 2017 to 2021. Trump graduated from the Wharton School of the University of P ...
was allegedly named as an unindicted co-conspirator in the conviction of Trump's lawyer Michael Cohen for lying to congress, tax evasion, uttering fraudulent documents, and campaign finance offenses. Although Trump was not named explicitly, with the term "Un-indicted co-conspirator number 1" used instead, Michael Cohen subsequently testified in congress that "Un-indicted co-conspirator number 1" referred to Donald Trump.


Japan

The United Nations special rapporteur Joseph Cannataci wrote a letter to the Japanese Prime-Minister,
Shinzō Abe Shinzo Abe ( ; ja, 安倍 晋三, Hepburn: , ; 21 September 1954 – 8 July 2022) was a Japanese politician who served as Prime Minister of Japan and President of the Liberal Democratic Party (LDP) from 2006 to 2007 and again from 2012 to 20 ...
, expressing concerns about Anti-Conspiracy Bill. Hajime Yoshikawa is opposed to the Anti-Conspiracy Bill. Tadashi Shimizu is against the passed Anti-Conspiracy Bill. An opposition party recently accused the prime minister of influencing a government decision to fund and approve a veterinary school at a university owned by Mr Abe's friend. Edward Snowden said "This is the beginning of a new wave of mass surveillance in Japan, not well explained focuses on terrorism and everything else that's not related to terrorism – things like taking plants from the forestry reserve, And the only real understandable answer (to the government's desire to pass the bill)...is that this is a bill that authorizes the use of surveillance in new ways because now everyone can be a criminal. " And Snowden said it should include strong guarantees of human rights and privacy and ensure that those guarantees are "not enforced through the words of politicians but through the actions of courts." "This means in advance of surveillance, in all cases the government should seek an individualized warrant, and individualized authorization that this surveillance is lawful and appropriate in relationship to the threat that's presented by the police," he said.


International law

Conspiracy law was used at the
Nuremberg Trials The Nuremberg trials were held by the Allies against representatives of the defeated Nazi Germany, for plotting and carrying out invasions of other countries, and other crimes, in World War II. Between 1939 and 1945, Nazi Germany invaded m ...
for members of the Nazi leadership charged with participating in a "conspiracy or common plan" to commit international crimes. This was controversial because conspiracy was not a part of the European civil law tradition. Nonetheless, the crime of conspiracy continued in international criminal justice, and was incorporated into the international criminal laws against genocide. Of the Big Five, only the French Republic exclusively subscribed to the civil law; the
USSR The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nationa ...
subscribed to the
socialist law Socialist law or Soviet law denotes a general type of legal system which has been (and continues to be) used in socialist and formerly socialist states. It is based on the civil law system, with major modifications and additions from Marxis ...
, the
U.S. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...
and the
U.K. The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...
followed the
common law In law, common law (also known as judicial precedent, judge-made law, or case law) is the body of law created by judges and similar quasi-judicial tribunals by virtue of being stated in written opinions."The common law is not a brooding omnipres ...
; and the Republic of China did not have a
cause of action A cause of action or right of action, in law, is a set of facts sufficient to justify suing to obtain money or property, or to justify the enforcement of a legal right against another party. The term also refers to the legal theory upon which a ...
at this particular proceeding. (In addition, both the
civil Civil may refer to: *Civic virtue, or civility *Civil action, or lawsuit * Civil affairs *Civil and political rights *Civil disobedience *Civil engineering *Civil (journalism), a platform for independent journalism *Civilian, someone not a membe ...
and the customary law were upheld.) The jurisdiction of the International Military Tribunal was unique and extraordinary at its time, being a court convened under the law of nations and the laws and customs of war. It was the first of its sort in human history, and found several defendants not guilty.


See also

* Conspiracy (civil) * Conspiracy (political)


Footnotes


References

* Fichtelberg, Aaron, "Conspiracy and International Criminal Justice" (2006) Criminal Law Forum Vol 17, No. 2. {{authority control Inchoate offenses Common law offences in England and Wales