Okla. Stat. tit. 21, § 440
Any person who shall knowingly feed, lodge, clothe, arm, equip in whole or in part, harbor, aid, assist or conceal in any manner any person guilty of any felony, or outlaw, or fugitive from justice, or any person seeking to escape arrest for any felony committed within this state or any other state or territory, shall be guilty of a felony.
R.L. 1910, § 2204; Amended by Laws 1997, HB 1213, c. 133, § 193, emerg. eff. July 1, 1999; Amended by Laws 1998, 1st Extr. Sess., HB 1002, c. 2, §§ 23-26, emerg. eff. June 19, 1998 (superseded document available).