Okla. Stat. tit. 22, § 22-2: Indictment or information necessary, except when

Every public offense must be prosecuted by indictment, or

information except;

1. Where proceedings are had for the removal of civil officers

of this state.

2. Offenses arising in the militia, when in actual service, and

in the land and naval forces in time of war, or which the state may

keep, with the consent of Congress in time of peace.

3. Offenses tried in justices' and police courts in cases

concerning which lawful jurisdiction, without the intervention of a

grand jury, is or may be conferred upon said courts.