Okla. Stat. tit. 12, § 12-2607 — Who may impeach

The credibility of a witness may be attacked by any party, including the party calling the witness.

Added by Laws 1978, c. 285, § 607, eff. Oct. 1, 1978. Amended by

Laws 2002, c. 468, § 46, eff. Nov. 1, 2002.