Arizona Department of Public Safety
Thomas Humphrey has been employed with the Arizona Department of Public Safety (AZ DPS) in the Highway Patrol Division for 12 years. Trooper Humphrey has been stationed in the Winslow, Valle (Williams/Grand Canyon Squad), and Flagstaff areas. In October 2016 he transferred to his current duty assignment with the Northern Patrol Bureau Regional Advanced Collision Team (ReACT). His squad services the entire northern half of Arizona and responds to criminal collisions involving serious physical injury or death resulting in vehicular homicide or aggravated assault cases. In December 2019, he became the Northern Region Impaired Driver Coordinator for the Governor’s Office of Highway Safety. Trooper Humphrey has extensive training in advanced collision investigations and impaired driver investigations. He is a current Drug Recognition Expert (DRE) Instructor, Advanced Roadside Impaired Driver Enforcement (ARIDE) Instructor, a Horizontal Gaze Nystagmus and Standardized Field Sobriety Test (HGN/SFST) Instructor, Drug Impairment Training for Education Professionals (DITEP), Forensic Phlebotomist, RADAR/LIDAR Instructor, eWarrant Training Instructor, and a Field Training Instructor. Throughout his career, Trooper Humphrey has received numerous awards and letters of commendation for his dedication and work ethic. He has provided numerous trainings to various law enforcement agencies across Northern Arizona, regarding impaired driver enforcement and collision investigation. His goal is for optimal highway safety through the detection, apprehension, and successful prosecution of the impaired driver.