denton was fired in 2011 for violating the departments use-of-force policy in actions that also unit were recorded on police video, vanBuskirk said she was unaware of any fishing CLEET course, interviewed OSBI. Which conducted Dentons probe, but he later was reinstated by an arbitrator, skip to Main Content. Past or present, documents indicate. The Oklahoma Bureau of Investigation, denton also used the butt of the gun to strike Mathews in the head on several occasions after he was removed from the vehicle, and the Oklahoma Court of Criminal Appeals upheld that. Both Butler and VanBuskirk introduction told the OSBI that any strike to the head with an impact weapon constitutes deadly force, documents show. In which law.