Colo. Rev. Stat. » Title 18
Colorado Revised Statutes

Colo. Rev. Stat. § 18-1-602 (2026)

Behavior of another

✓ current as of July 2026
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(1) A person is legally accountable for the behavior of another person if:

(a) He is made accountable for the conduct of that person by the statute defining the offense or by specific provision of this code; or

(b) He acts with the culpable mental state sufficient for the commission of the offense in question and he causes an innocent person to engage in such behavior.

(2) As used in subsection (1) of this section, "innocent person" includes any person who is not guilty of the offense in question, despite his behavior, because of duress, legal incapacity or exemption, or unawareness of the criminal nature of the conduct in question or of the defendant's criminal purpose, or any other factor precluding the mental state sufficient for the commission of the offense in question.

Source: L. 71: R&RE, p. 406, § 1. C.R.S. 1963: § 40-1-702.

Notes of Decisions
Cited in 8 cases, 1977–2015 · leading case: People v. Childress, 2015 CO 65 (Colo. 2015).
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People v. Childress, 2015 CO 65 (Colo. 2015). · cites it 9× “§ 18-1-602(1)(2), C.R.S, (2015) Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled "Complicity," provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
People v. Treat, 568 P.2d 473 (Colo. 1977). · cites it 3× “” Given his intimate involvement with all facets of the Center’s operations, Treat may be guilty as a principal under section 18-1-602, C.R.S. 1973 (complicity), or section 18-1-607, C.”
People v. Marquez, 692 P.2d 1089 (Colo. 1984). · cites it 2× “A person is guilty of an offense if it is committed by the behavior of another person for which he is legally accountable as provided in sections 18-1-602 to 18-1-607. .... 18-1-603.”
People v. Moore, 860 P.2d 549 (Colo. Ct. App. 1993). · cites it 4× “The evidence supports the People's theory that defendant forced his wife to commit a sexual assault upon their daughter.”
People v. R. V., 635 P.2d 892 (Colo. 1981). · cites it 2× “"A person is guilty of an offense if it is committed by the behavior of another person for which he is legally accountable as provided in sections 18-1-602 to 18-1-607." Section 18-1-601, C.”
People v. Moore, 877 P.2d 840 (Colo. 1994). “We note that Moore could have been convicted of sexual assault on a child under § 18-1-602, 8B C.R.S. (1986), which provides that a person is legally accountable for the behavior of another if that person “causes an innocent person to engage in such behavior.”
People v. Hall, 60 P.3d 728 (Colo. Ct. App. 2002). “2001, which provides that “[a] person is guilty of an offense if it is committed by the behavior of another person for which he [or she] is legally accountable as provided in sections 18-1-602 to 18-1-607.” Under § 18-1-603, C.”
People v. Childress, 2015 CO 65 (Colo. 2015). · cites it 5× “§ 18-1-602(1)(a), C.R.S. (2015). Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled “Complicity,” provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
— Colo. Rev. Stat. § 18-1-602(1)(2) — 1 case
People v. Childress, 2015 CO 65 (Colo. 2015). “§ 18-1-602(1)(2), C.R.S, (2015) Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled "Complicity," provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
— Colo. Rev. Stat. § 18-1-602(1)(a) — 2 cases
People v. Childress, 2015 CO 65 (Colo. 2015). “§ 18-1-602(1)(2), C.R.S, (2015) Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled "Complicity," provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
People v. Childress, 2015 CO 65 (Colo. 2015). “§ 18-1-602(1)(a), C.R.S. (2015). Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled “Complicity,” provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
— Colo. Rev. Stat. § 18-1-602(1)(b) — 2 cases
People v. Childress, 2015 CO 65 (Colo. 2015). “§ 18-1-602(1)(2), C.R.S, (2015) Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled "Complicity," provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
People v. Childress, 2015 CO 65 (Colo. 2015). “§ 18-1-602(1)(a), C.R.S. (2015). Apart from those statutes defining particular offenses to which section 602 alludes, section 603, entitled “Complicity,” provides more generally that a person is also legally accountable as a principal for the behavior of another constituting a…”
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