OKLAHOMA HIGHWAY PATROL / MUG: Trooper Sam Henderson Henderson joined the OHP in 1937. Trooper Henderson had stopped a vehicle near Lawton for defective lights. As Henderson was making contact with the violator, he was struck by another vehicle. The car that struck and killed Henderson left the scene but was later located by a local police officer. An intoxicated Fort Sill soldier was in the vehicle. The man claimed two other soldiers had fled; they were never found and it has been determined that they did not exist.