(1) The law enforcement officer has made reasonable efforts to advise the person that the officer is a law enforcement officer attempting to effect an arrest or prevent the escape from arrest and the officer has reasonable grounds to believe that the person is aware of this advice; or

(2) The law enforcement officer reasonably believes that the person to be arrested otherwise knows that the officer is a law enforcement officer attempting to effect an arrest or prevent the escape from arrest.

For purposes of this paragraph, "a reasonable belief that another has committed a crime involving use or threatened use of deadly force" means such reasonable belief in facts, circumstances and the law which, if true, would constitute such an offense by that person. If the facts and circumstances reasonably believed would not constitute such an offense, an erroneous but reasonable belief that the law is otherwise justifies the use of deadly force to make an arrest or prevent an escape.

3. A private person who has been directed by a law enforcement officer to assist him the officer in effecting an arrest or preventing an escape from custody is justified in using;:

A. A reasonable degree of nondeadly force when and to the extent that he the private person reasonably believes such to be necessary to carry out the officer's direction, unless he the private person believes the arrest is illegal; or

B. Deadly force only when he the private person reasonably believes such to be necessary to defend himself or herself or a 3rd person from what he the private person reasonably believes to be the imminent use of unlawful deadly force, or when the law enforcement officer directs him the private person to use deadly force and he the private person believes such the officer himself is authorized to use deadly force under the circumstances.

4. A private person acting on his or her own is justified in using:

A. A reasonable degree of nondeadly force upon another when and to the extent that he the private person reasonably