Section 749 - Sworn statements taken by district attorney or peace officer of persons having knowledge of criminal offense - UseA. In the investigation of a criminal offense, the district attorney or any peace officer may take the sworn statement of any person having knowledge of such criminal offense. Any person charged with a crime shall be entitled to a copy of any such sworn statement upon the same being obtained.B. If a witness in a criminal proceeding gives testimony upon a material issue of the case contradictory to his previous sworn statement, evidence may be introduced that such witness has previously made a statement under oath contradictory to such testimony.Okla. Stat. tit. 22, § 749
Laws 1969, c. 224, § 1, emerg. eff. 4/21/1969.