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Fighting Party to Offence Charges
Allegations of Supporting Another Person in Commission of a Crime
Last Updated: August 24 2026
Question: In Ontario, could I face criminal charges for helping, supporting, or encouraging someone else’s crime?
Answer: In Ontario, you can be charged as a party to an offence even if you did not carry out the actual criminal act, because the Criminal Code treats aiders, abettors, and counsellors as equally criminally responsible as the principal offender. Under Criminal Code, R.S.C. 1985, c. C-46, s. 21, you may be liable if you do anything for the purpose of aiding the offence or you abet it, and under Criminal Code, R.S.C. 1985, c. C-46, s. 22 you may be liable if you counsel another person to be a party to the offence (including “procure, solicit or incite”). Courts also explain the “parasitic criminality” approach, meaning your liability can attach based on what you intended and knew, not on whether the person who committed the act is identified or prosecuted, as reflected in R. v. Okojie, 2021 ONCA 773 and R. v. Cowan, 2021 SCC 45. If you’re worried about potential charges for assisting, supporting, or encouraging criminal conduct, Hogan Paralegal Services provides criminal law guidance in Ontario and can help you understand risks, protect your rights, and plan next steps, call (905) 634-2100 today.
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Understanding the Criminality of Assisting, Supporting, or Encouraging, the Criminal Conduct of Another Person
When a person assists or incites another person in the commission of a criminal offence, the person who assisted or incited the offence is as criminally culpable as the person who actually committed the offence. Simply said, the person who aids or abets or counsels another person to commit a criminal offence becomes a party to the offence without excuse for the lack of direct participation.
Note: Please contact Hogan Paralegal Services by phone at: (905) 634-2100 to discuss any specific questions that you may have.
The Law
The Criminal Code, R.S.C. 1985, c. C-46, contains three sections that address the criminal culpability of persons who assist, support, or encourage, a crime despite a lack of direct participation in committing the crime. The sections include section 21, section 22, and section 465, each of which respectively state:
Parties to offence
21 (1) Every one is a party to an offence who
(a) actually commits it;
(b) does or omits to do anything for the purpose of aiding any person to commit it; or
(c) abets any person in committing it.
Common intention
(2) Where two or more persons form an intention in common to carry out an unlawful purpose and to assist each other therein and any one of them, in carrying out the common purpose, commits an offence, each of them who knew or ought to have known that the commission of the offence would be a probable consequence of carrying out the common purpose is a party to that offence.
Person counselling offence
22 (1) Where a person counsels another person to be a party to an offence and that other person is afterwards a party to that offence, the person who counselled is a party to that offence, notwithstanding that the offence was committed in a way different from that which was counselled.
Idem
(2) Every one who counsels another person to be a party to an offence is a party to every offence that the other commits in consequence of the counselling that the person who counselled knew or ought to have known was likely to be committed in consequence of the counselling.
Definition of counsel
(3) For the purposes of this Act, counsel includes procure, solicit or incite.
Conspiracy
465 (1) Except where otherwise expressly provided by law, the following provisions apply in respect of conspiracy:
(a) every one who conspires with any one to commit murder or to cause another person to be murdered, whether in Canada or not, is guilty of an indictable offence and liable to a maximum term of imprisonment for life;
(b) every one who conspires with any one to prosecute a person for an alleged offence, knowing that they did not commit that offence, is guilty of
(i) an indictable offence and liable to imprisonment for a term of not more than 10 years or an offence punishable on summary conviction, if the alleged offence is one for which, on conviction, that person would be liable to be sentenced to imprisonment for life or for a term of not more than 14 years, or
(ii) an indictable offence and liable to imprisonment for a term of not more than five years or an offence punishable on summary conviction, if the alleged offence is one for which, on conviction, that person would be liable to imprisonment for less than 14 years;
(c) every one who conspires with any one to commit an indictable offence not provided for in paragraph (a) or (b) is guilty of an indictable offence and liable to the same punishment as that to which an accused who is guilty of that offence would, on conviction, be liable; and
(d) every one who conspires with any one to commit an offence punishable on summary conviction is guilty of an offence punishable on summary conviction.
The provisions in section 21 of the Criminal Code involving aiding and abetting, being the principle of parasitic criminality, was explained by the Court of Appeal within the case of R. v. Okojie, 2021 ONCA 773, wherein it was stated:
[52] Our criminal law does not distinguish among the modes of participation in an offence in determining criminal liability. Section 21(1) of the Criminal Code makes principals, aiders and abettors equally liable. A person becomes a party to an offence when that person, knowing of a principal’s intention to commit the crime, and with the intention of assisting the principal in its commission, does something that helps or encourages the principal in the commission of the offence: Vu, at para. 58, citing R. v. Briscoe, 2010 SCC 13, [2010] 1 S.C.R. 411, at paras. 14-18.
[53] Section 21(2) is a form of parasitic criminal liability capturing participants in a common unlawful purpose in specified circumstances. The accused is party to an offence that is committed by another participant in carrying out the common unlawful purpose provided the accused has the required degree of foresight that the incidental crime would be committed: R. v. Simon, 2010 ONCA 754, 263 C.C.C. (3d) 59, at para. 43.
Very interestingly, the prosecution of an indirect participant, the indirect participant being the person who aided and abetted rather than directly committed the criminal act, is without a requirement to identify the direct participant. Accordingly, a person may be convicted of aiding and abetting, or otherwise indirectly participating, despite that the direct participant goes unprosecuted. This possibility was explained by the Supreme Court in the case of R. v. Cowan, 2021 SCC 45, where it was said:
[29] For the purposes of determining criminal liability, the Criminal Code does not distinguish between principal offenders and parties to an offence (R. v. Briscoe, 2010 SCC 13, [2010] 1 S.C.R. 411, at para. 13). An accused’s guilt is the same regardless of the way in which they participated in the offence –– the person who provides the gun is guilty of the same offence as the person who pulls the trigger (ibid.; R. v. Huard, 2013 ONCA 650, 302 C.C.C. (3d) 469, at para. 59).
[30] Sections 21 and 22 of the Criminal Code set out the various ways in which an accused may participate in and be found guilty of a particular offence. Those provisions codify both liability for an accused who participates in an offence by actually committing it, under s. 21(1)(a) (principal liability); and liability for an accused who participates in an offence by, for example, abetting or counselling another person to commit the offence, under s. 21(1)(c) or s. 22(1) (party liability) (R. v. Pickton, 2010 SCC 32, [2010] 2 S.C.R. 198, at para. 51).
[31] Where, as here, an accused is being tried alone and there is evidence that more than one person participated in the commission of the offence, the Crown is not required to prove the identity of the other participant(s) or the precise part played by each in order to prove an accused’s guilt as a party (R. v. Isaac, 1984 CanLII 130 (SCC), [1984] 1 S.C.R. 74, at p. 81, citing R. v. Sparrow (1979), 1979 CanLII 2988 (ON CA), 51 C.C.C. (2d) 443 (Ont. C.A.), at p. 458). This principle applies where an accused is prosecuted as either an abettor or counsellor.
[32] The essential elements of abetting are well established. The actus reus of abetting is doing something or omitting to do something that encourages the principal to commit the offence (Briscoe, at paras. 14‑15). As for the mens rea, it has two components: intent and knowledge (para. 16). The abettor must have intended to abet the principal in the commission of the offence and known that the principal intended to commit the offence (paras. 16‑17).
[33] Although the jurisprudence setting out the elements of abetting refers to encouraging “the principal”, intending to abet “the principal”, and knowing that “the principal” intended to commit the offence, the Crown is not required to prove the identity of “the principal” or their specific role in the commission of the offence for party liability to attach (R. v. Thatcher, 1987 CanLII 53 (SCC), [1987] 1 S.C.R. 652, at pp. 687‑89).
Conclusion
When a person assists, supports, or encourages, another person to perform a criminal act, the person who assisted, supported, or encouraged, the criminal act is as legally culpable as the person who performed the criminal act and such a person may be punished just as significantly as the person who committed the criminal act.
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