Dallas Police Department
Detective Jon Lumbley joined the Dallas Police Department in 1985. He served in the Southeast and Southwest Patrol Stations for 12 years and in the Youth and Family Crimes Division for 20 years. He is currently assigned to the Domestic Violence Unit. He is a certified Sexual Assault Family Violence (SAFVIC) Instructor and qualified teacher for the Federal Law Enforcement Training Center on domestic violence. Senior Corporal Lumbley teaches across the State of Texas and across the nation to a variety of professionals. He has also taught to both in-service officers and recruits at the Dallas Police Academy on domestic violence issues. He is a member of the Dallas Area Crisis Response Team.