Okla. Stat. tit. 21, § 21-586: Communicating with a convict

Every person who, not being authorized by law, or by a written

permission from an inspector, or by the consent of the warden,

communicates with any convict in the penitentiary, or brings into or

conveys out of the penitentiary any letter or printing to or from

any convict, is guilty of a misdemeanor.