Trooper Donald Bert Ziesmer

Trooper Donald Bert Ziesmer

Minnesota State Patrol, Minnesota

End of Watch Monday, October 15, 1973

Add to My Heroes

Donald Bert Ziesmer

Trooper Ziesmer was shot and killed while making a traffic stop of a van. One of the suspects exited the van and opened fire with a .22 caliber rifle, striking Trooper Ziesmer while he was still sitting in his cruiser. The suspect then committed suicide.
Trooper Ziesmer had been with the agency for 13 years and was survived by his wife and three daughters.


  • Age 46
  • Tour 13 years
  • Badge 180

Incident Details

  • Cause Gunfire
  • Weapon Rifle; .22 caliber
  • Offender Committed suicide

Most Recent Reflection

View all 11 Reflections

Good morning,

Over the weekend, Saturday marked the anniversary of Trooper Donald Zeismer’s death in the line of duty. He was fatally wounded by a suspect who opened fire on him while he was still seated in the squad car during a traffic stop on Highway 61 near Tofte. Trooper Zeismer was survived by his wife and three daughters.

Please keep the Zeismer family in your thoughts and prayers.


Colonel Matt Langer
Chief, Minnesota State Patrol

An email from the Colonel to the entire state patrol, marking your fathers end of watch anniversary. Thought you might be interested that he is remembered for his service.

Trooper D.J. Weinrich
Minnesota State Patrol

October 21, 2016

Create an account for more options, or use this form to leave a Reflection now.