Okla. Stat. tit. 21, § 21-452: Deceiving witness

Every person who practices any fraud or deceit, or knowingly

makes or exhibits any false statement, representation, token or

writing, to any witness or person about to be called as a witness,

upon any trial, proceeding, inquiry or investigation whatever,

proceeding by authority of law, with intent to affect the testimony

of such witness, is guilty of a misdemeanor.