Gregory A. Diley

End of Watch:  Friday, December 2, 1977
Badge:  1442
Age:  28

Officer Gregory A. Diley was returning to Kingman following a narcotics investigation when he was killed in a one-vehicle crash west of Kingman on Interstate 40. The death of Officer Diley, who was assigned to the Criminal Investigation Bureau at DPS, was the first outside the Highway Patrol Bureau.