UPDATE: Officer Involved Death in Madison, Wis.

Oct 30 2019

MADISON, Wis. – The Wisconsin Department of Justice (DOJ) Division of Criminal Investigation (DCI) has been investigating an officer involved death (OID) in the city of Madison, Wis. that occurred on the evening of Sunday, October 27, 2019.


Madison Police Officers responded to a report of shots fired in the 6500 block of Raymond Road. The suspect approached the police officers and discharged his weapon at the officers, who returned fire. The suspect, Dean G. Thomas, age 63, of Madison, WI, was struck. Authorities performed lifesaving measures and the subject was transported to University Hospital. The subject later succumbed to injuries.


No officers were injured during the incident. The involved officers have been put on paid administrative leave. The involved officers, include:

  • Sergeant Ryan Gibson of Madison Police department. Sergeant Gibson has 18 years at Madison Police Department.
  • Police Officer Sonny Martinez of Madison Police Department. Officer Martinez has 11 years of service at Madison Police Department.
  • Police Officer Justin Nelsen of Madison Police Department. Officer Nelsen has five years of service at Madison Police Department.


DCI is leading this investigation, and is assisted by Wisconsin State Patrol, Wisconsin State Crime Lab, and Madison Police Department. DOJ Office of Crime Victim Services is also providing services. All involved law enforcement are fully cooperating with DCI during this investigation.


DCI is continuing to collect evidence and determine the facts of this incident and will turn over investigative reports to a local district attorney’s office when the investigation concludes.


No additional details are currently available.


Please direct all media inquiries regarding this incident to Wisconsin DOJ.