(a) A person in lawful possession or control of premises, as defined in Section 13A-3-20, or a person who is licensed or privileged to be thereon, may use physical force upon another person when and to the extent that he reasonably believes it necessary to prevent or terminate what he reasonably believes to be the commission or attempted commission of a criminal trespass by the other person in or upon such premises.
(b) A person may use deadly physical force under the circumstances set forth in subsection (a) of this section only:
(1) In defense of a person, as provided in Section 13A-3-23; or
(2) When he reasonably believes it necessary to prevent the commission of arson in the first or second degree by the trespasser.
Structure Code of Alabama
Article 2 - Justification and Excuse.
Section 13A-3-20 - Definitions.
Section 13A-3-22 - Execution of Public Duty.
Section 13A-3-24 - Use of Force by Persons With Parental, Custodial, or Special Responsibilities.
Section 13A-3-25 - Use of Force in Defense of Premises.
Section 13A-3-26 - Use of Force in Defense of Property Other Than Premises.
Section 13A-3-27 - Use of Force in Making an Arrest or Preventing an Escape.
Section 13A-3-28 - Use of Force in Resisting Arrest Prohibited.