Code of Alabama
Article 2 - Parties to Offenses.
Section 13A-2-23 - Criminal Liability Based Upon Behavior of Another - Complicity.

A person is legally accountable for the behavior of another constituting a criminal offense if, with the intent to promote or assist the commission of the offense:
(1) He procures, induces or causes such other person to commit the offense; or
(2) He aids or abets such other person in committing the offense; or
(3) Having a legal duty to prevent the commission of the offense, he fails to make an effort he is legally required to make.