Boonville Responsibility for the conduct of another ordinance (§ 14-16)

(a) A person is responsible for the conduct of another, and guilty of the offense or prohibited or unlawful act, when either before or during the commission of an offense or prohibited or unlawful act, with the purpose of promoting the commission of an offense or prohibited or unlawful act he aids or agrees to aid or attempts to aid such other person in planning, committing or attempting to commit the offense or prohibited or unlawful act.

(b) However, a person is not responsible for the conduct of another if prior to the commission of the offense or prohibited or unlawful act, he abandons his purpose and gives timely warning to law enforcement authorities or otherwise makes proper effort to prevent the commission of the offense or prohibited or unlawful act.