| Trooper Thomas F. Isbell Oklahoma Highway Patrol Oklahoma End of Watch: Wednesday, December 20, 1972 Biographical Info Age: 26 Tour of Duty: 1 year Badge Number: 227 Incident Details Cause of Death: Struck by vehicle Date of Incident: Wednesday, December 20, 1972 Weapon Used: Not available Suspect Info: Charged with negligent homicide Trooper Isbell was struck by a vehicle and killed while investigating an earlier accident with another officer near El Reno, Oklahoma. While measuring skid marks Trooper Isbell was struck by a sleepy driver. The driver was charged with negligent homicide. Trooper Isbell had been with the agency for one year. |