He has experience as an undercover operative, a tactical team member, and an instructor. He has been involved in the planning, implementation, and execution of hundreds of high-risk arrests, and spent five years with a large multi-agency task force working as an undercover operative and team leader. Mr. Warren was the Firearms/Use-of-Force Program Manager for his department prior to retiring.
Mr. Warren is currently a Retired Sergeant for a local agency and was the 2000 Missouri P.O.S.T. Part-time Instructor of the Year.