D.E. Gray was born in Chicago, Illinois. At the age of five his parents moved the family to California and eventually settled in Van Nuys, a growing community at the time located in the San Fernando Valley of Los Angeles. He attended grade school, Jr. High School and in 1963, he graduated from Van Nuys High School. Gray worked a couple of odd jobs until he enlisted in the U.S. Marine Corps Reserve. He met his future wife, Suzanne, just before he began his enlistment with the Marines After returning from active duty, Gray landed a job as a big rig truck driver up in Northern California. By then, his long distance relationship with Suzanne had taken off and he was looking for a more stable employment opportunity so they could get married. Gray was accepted into the LAPD police academy, completing 28 years of service with them before he was hired at the Escondido Police Department, working there for 14 years. Gray continues to lives in the North San Diego County with his wife Suzanne.