(A) A person is guilty of custodial interference when knowing that he or she has no legal right to do so, he or she takes, entices or keeps from lawful custody any incompetent or other person entrusted by authority of law to the custody of another person or to an institution.
(B) It is a defense to custodial interference that the person taken from lawful custody was returned by the defendant voluntarily and before arrest of the issuance of a warrant for arrest.
(C) Custodial interference is a Class A misdemeanor if the person taken from lawful custody is returned voluntarily by the defendant, or if the defendant is a relative of the victim.
(KRS 509.070) (1980 Code, § 1020.2-8)