Okla. Stat. tit. 22, § 22-151: Limitations – Murder, first and second degree

manslaughter.

A. There is no limitation of the time within which a

prosecution for murder must be commenced. Such prosecution may be

commenced at any time after the death of the person killed.

B. Prosecutions for the crimes of first degree manslaughter and

second degree manslaughter shall be commenced within ten (10) years

after the discovery of the crime. For purposes of this subsection,

“discovery” means the date the crime is reported to a law

enforcement agency.