Okla. Stat. tit. 21 § 701.10 : CRIMES AND PUNISHMENTS — HOMICIDE —MURDER — Sentencing Proceedings for First Degree Murder - State Seeking Death Penalty

A. Upon conviction or adjudication of guilt of a defendant of murder in the first degree, wherein the state is seeking the death penalty, the court shall conduct a separate sentencing proceeding to determine whether the defendant should be sentenced to death, life imprisonment without parole or life imprisonment. The proceeding shall be conducted by the trial judge before the same trial jury as soon as practicable without presentence investigation.
B. If the trial jury has been waived by the defendant and the state, or if the defendant pleaded guilty or nolo contendere, the sentencing proceeding shall be conducted before the court.
C. In the sentencing proceeding, evidence may be presented as to any mitigating circumstances or as to any of the aggravating circumstances enumerated in Section 701.7 et seq. of this title. Only such evidence in aggravation as the state has made known to the defendant prior to his trial shall be admissible. In addition, the state may introduce evidence about the victim and about the impact of the murder on the family of the victim.
D. This section shall not be construed to authorize the introduction of any evidence secured in violation of the Constitutions of the United States or of the State of Oklahoma. The state and the defendant or his counsel shall be permitted to present argument for or against sentence of death.

Okla. Stat. tit. 21, § 701.10

Amended by Laws 2013, c. 6,s. 1, eff. 11/1/2013.
Laws 1976, 1st Extr.Sess., SB 1, c. 1, § 4, emerg. eff. July 24, 1976; Amended by Laws 1987, SB 15, c. 96, § 2, eff. November 1, 1987; Amended by Laws 1989, SB 303, c. 365, § 1, emerg. eff. June 3, 1989; Amended by Laws 1992, HB 2271, c. 67, § 1, emerg. eff. April 13, 1992.