Timothy Chung, Assistant Director (Criminal Investigations)
Timothy Chung, Assistant Director
In June 2012, Department of Public Safety (DPS) Director Robert Halliday promoted Timothy Chung from the rank of Major to Lieutenant Colonel and assigned him to lead and manage the agency’s Criminal Investigations Division.
Lt. Colonel Timothy Chung began his law enforcement career at the La Paz County Sheriff’s Office in Parker, Arizona, in June 1986, where he held the positions of jailer, dispatcher, patrol deputy, investigator, and sergeant.
In December 1991, Lt. Colonel Chung joined the ranks of DPS and has held various assignments in each of the Department’s operational and support divisions. As an officer, his first assignment was patrolling the Quartzsite/Parker area. In 1994, he relocated to Phoenix and held assignments in the Vehicle Theft Investigations Unit and the Special Investigations Unit.
In 1998, he was promoted to the rank of Sergeant and was assigned to the Highway Patrol Division’s District Eight, in Nogales, Arizona, until he transferred back to Phoenix to oversee the Special Investigations Unit in 2000.
In 2002, Lt. Colonel Chung was promoted to the rank of Lieutenant and led the Major Crimes Investigation District. He transferred to an administrative staff position in the Criminal Justice Support Division in 2005. In 2007, he managed the Immigration Enforcement District and led the multi-agency Illegal Immigration Prevention and Apprehension Co-op Teams (IIMPACT) and Arizona Fraudulent Identification Task Force.
In 2008, Lt. Colonel Chung was promoted to the rank of Major, formerly known as Commander, and oversaw the Gang Enforcement Bureau which comprised the statewide multi-agency Gang and Immigration Intelligence Team Enforcement Mission (GIITEM). He then served as Chief of Staff/Executive Officer for the Technical Services Division from 2009 to 2011. From 2011 and until his promotion to Lieutenant Colonel, he worked within the Director’s Office and oversaw the Management Services Bureau.
Lt. Colonel Chung has had many accomplishments, received numerous awards, and served on numerous work groups at the Department. He earned his Certified Public Manager national certification from Arizona State University and is a graduate of Northwestern University’s School of Police Staff and Command, and the International Association of Chiefs of Police Leadership in Police Organizations. He holds an Associate in Applied Science in Law Enforcement Technology, a Bachelor of Science in Occupational Education, majoring in Human Services, and achieved his Masters in Public Administration, specializing in Government Administration, in May 2013.
Lt. Colonel Chung serves as a member of the Arizona Department of Homeland Security Regional Advisory Council-Central Region and the Arizona Human Trafficking Council. He also serves as the Secretary for the Board of Directors of the Association of State Criminal Investigative Agencies (ASCIA).