Okla. Stat. tit. 10, § 10-1628: Missing child 16 and under - Investigation of

disappearance.

It is hereby made the duty of any sheriff, chief of police, city

marshal, constable, or any other law enforcement officer, upon

notification of a report of a missing child sixteen (16) years and

under, to immediately initiate an investigation into the

disappearance of said child.