If any person committed to prison, for the purpose of detaining him for trial, for a capital offense, shall break prison and escape, he shall be guilty of a felony and shall be imprisoned in the state prison for the term of two (2) years.
Okla. Stat. tit. 57, § 13
R.L. 1910, § 4616; Amended by Laws 1997, HB 1213, c. 133, § 502 (effective date amended to July 1, 1999, by Laws 1998, 1st Extr. Sess., HB 1002, c. 2, §§ 23-26, emerg. eff. 6/19/1998); Amended by Laws 1999, 1st Extr. Sess., HB 1009, c. 5, § 367, emerg. eff. 7/1/1999.