Sergeant Quin Edward O'Brien

Sergeant Quin Edward O'Brien

Waukesha County Sheriff's Department, Wisconsin

End of Watch Thursday, June 22, 1978

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Quin Edward O'Brien

Sergeant O'Brien and Deputy Michael Geszvain were shot and killed when a prisoner gained control of Deputy Geszvain's service weapon. The officers were standing in court with the prisoner when the incident occurred. The suspect exchanged shots with another deputy on the first floor of the courthouse. Sergent O'Brien was transported to a local hospital where he succumbed to his injuries the following day.

The suspect was apprehended after taking a hostage and forcing her to drive to Madison, Wisconsin. The man was sentenced to two counts of life in prison.

Sergeant O'Brien had served 24 years with the Waukesha County Sheriff’s Department.

Bio

  • Age 50
  • Tour 24 years
  • Badge Not available
  • Military Veteran

Incident Details

  • Cause Gunfire
  • Weapon Officer's handgun
  • Offender Sentenced to life

Most Recent Reflection

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On behalf of the acting U.S. Attorney, Assistant U.S. Attorneys, and support staff for the Eastern District of Wisconsin, we honor law enforcement officers who have paid the ultimate sacrifice. During National Police Week the focus is even greater that we never forget the deputies and their families. Today, May 13th, 2021, we honor and remember you Sgt. O'Brien. Rest in Peace.

United States Attorney's Office

May 13, 2021

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