 He previously served as the Department of Public Safety Chief of Staff and Deputy Director of Texas Homeland Security, which included the Intelligence and Counter-Terrorism Division and the Texas Division of Emergency Management.He started his 45-year law enforcement and criminal justice career in 1973 as a deputy sheriff with the Harris County Sheriff's Department after serving four years on active duty with the United States Marine Corps.Among numerous other assignments, he served two tours of duty in Iraq working for the Department of Justice International Criminal Investigative Training Assistance Program.