Okla. Stat. tit. 22, § 22-171: Complaint - Issuance of warrant of arrest

When a complaint, verified by oath or affirmation, is laid

before a magistrate, of the commission of a public offense, he must,

if satisfied therefrom that the offense complained of has been

committed, and that there is reasonable ground to believe that the

defendant has committed it, issue a warrant of arrest.