Okla. Stat. tit. 19, § 19-215.35A: District attorney investigators - Certification as

peace officers.

A. District attorney investigators serve under the direction of

the district attorney, and shall perform such services as are

necessary in the investigation of criminal activity or preparation

of civil litigation within the district.

B. If the district attorney's investigator is certified as a

peace officer by the Council on Law Enforcement Education and

Training the investigator shall be considered a peace officer and

shall have the powers now or hereafter vested by law in peace

officers.

C. While in the performance of official duties as an

investigator for the district attorney, an investigator who has been

certified as a peace officer by the Council on Law Enforcement

Education and Training shall have jurisdiction in any portion of the

state.

D. Any district attorney’s investigator certified as a peace

officer by the Council on Law Enforcement Education and Training may

at the discretion of the district attorney be entitled to receive at

the time of retirement, by reason of length of service, the

continued custody, possession and ownership of the sidearm and badge

carried by the investigator immediately prior to retirement.