Okla. Stat. tit. 74, § 74-150.21: Legal division established - Duties - Restrictions

A. The Oklahoma State Bureau of Investigation shall establish

or provide for a legal division and the Director may employ

attorneys as needed, which attorneys, in addition to advising the

Director, the Commission and employees of the Bureau on legal

matters, may appear for and represent the Director, the Commission

and employees of the Bureau in administrative hearings and other

legal actions and proceedings. No attorney of the Bureau shall

enter an appearance in a criminal action nor engage in private

practice of the law while in the employment of the Oklahoma State

Bureau of Investigation, except for the purpose of representing the

agency in motions to quash subpoenas, other discovery matters,

expungement applications, evidentiary hearings, forfeiture

proceedings or when requested to do so by another prosecuting

authority.

B. It shall continue to be the duty of the Attorney General to

give official opinions to and to prosecute and defend actions for

the Director, Commission and employees of the Bureau, if requested

to do so.