Division of Criminal Investigation DCI

The Division of Criminal Investigation (DCI) is charged with a purely criminal investigative mission and function. The Division employs Special Agents who are sworn law enforcement officers possessing statewide jurisdiction and charged with the responsibility of enforcing the laws of the State of Wisconsin. The DCI has a primary responsibility of investigating crimes that are statewide in nature or importance. DCI Special Agents work closely with local, county, state and federal officials to investigate and prosecute crimes involving homicide, arson, financial crimes, illegal gaming, multi-jurisdictional crimes, drug trafficking, computer crimes, homeland security, public integrity and government corruption as well as crimes against children. The Division also performs special investigations requested by the Governor or the Legislature. In addition, the Division provides extensive training to local, state and federal officers on current issues in law enforcement.


Division Administration

David S. MatthewsDavid S. Matthews,


David Matthews began his law enforcement career in 1978 as an instructor at the U.S. Air Force Police Academy and later served as a special agent in the Air Force Office of Special Investigations. Following his military service, Matthews served for two years with the Wisconsin State Patrol as a state trooper.  In 1988, he was hired by the Wisconsin Department of Justice (DOJ), Division of Criminal Investigation (DCI) as a special agent specializing in narcotics investigation.  Matthews was promoted to special agent in charge in 1994.  He was assigned as an agent in the DOJ Internet Crimes Against Children (ICAC) Task Force as a computer forensic examiner and working in online undercover operations before being promoted to director of operations for the western region in 2010.  Matthews was appointed as DCI’s Deputy Administrator in 2011.
He holds an Associate Degree in Criminal Justice from the Community College of the Air Force. In 2012, he completed a one-year course of study at the Executive Leadership Program at the Naval Postgraduate School - Center for Homeland Defense and Security in Monterey, CA.
Matthews was originally appointed Administrator of the Division of Criminal Investigation in 2012.


Pat MitchellDeputy Administrator,

Pat Mitchell