B. Deadly force only when the private person reasonably believes such force is necessary:

(1) To defend he the person or a 3rd person from what the private citizen reasonably believes to be the imminent use of unlawful deadly force; or

(2) To effect a lawful arrest or prevent the escape from such arrest of a person who in fact:

(a) Has committed a crime involving the use or threatened use of deadly force, or is using a dangerous weapon in attempting to escape; and

(b) The private citizen has made reasonable efforts to advise the person that the citizen is a private citizen attempting to effect an arrest or prevent the escape from arrest and has reasonable grounds to believe the person is aware of this advice or the citizen reasonably believes that the person to be arrested otherwise knows that the citizen is a private citizen attempting to effect an arrest or prevent the escape from arrest.

5. Except where otherwise expressly provided, a corrections officer, corrections supervisor or law enforcement officer in a facility where persons are confined, pursuant to an order of a court or as a result of an arrest, is justified in using deadly force against such persons under the circumstances described in subsection 2. The officer or another individual responsible for the custody, care or treatment of those persons is justified in using a reasonable degree of nondeadly force when and to the extent the officer or the individual reasonably believes it necessary to prevent any escape from custody or to enforce the rules of the facility.

5-A. A corrections officer, corrections supervisor or law enforcement officer is justified in using deadly force against a person confined in the Maine State Prison or the Maine Correctional Institution - Warren when the officer or supervisor reasonably believes that deadly force is necessary to prevent an escape from custody. The officer or supervisor shall make reasonable efforts to advise the person that if the attempt to escape does not stop immediately, deadly force will be used. This subsection does not authorize any corrections officer,