Siskiyou County State Traffic Force, California
End of Watch: Sunday, September 27, 1925
Age: 29
Tour of Duty: Not available
Badge Number: Not available
Cause of Death: Motorcycle crash
Date of Incident: September 27, 1925
Weapon Used: Not available
Suspect Info: Not available
Captain John Derby was killed when his motorcycle went over an embankment while on patrol near the town of Castella in Shasta County.
Captain Derby was a State Traffic Officer and a member of the Siskiyou County Traffic Squad and was a U.S. Army veteran of World War I. He was survived by his wife, father, and brother. He is buried in the Dunsmuir City Cemetery in Dunsmuir, California.