Kentucky Revised Statutes Title L. Kentucky Penal Code § 503.090.Use of physical force in law enforcement

(1) The use of physical force by a defendant upon another person is justifiable when the defendant, acting under official authority, is making or assisting in making an arrest, and he:

(2) The use of deadly physical force by a defendant upon another person is justifiable under subsection (1) only when:

(3) The use of physical force, including deadly physical force, by a defendant upon another person is justifiable when the defendant is preventing the escape of an arrested person and when the force could justifiably have been used to effect the arrest under which the person is in custody, except that a guard or other person authorized to act as a peace officer is justified in using any force, including deadly force, which he believes to be necessary to prevent the escape of a person from jail, prison, or other institution for the detention of persons charged with or convicted of a crime.