Weyauwega Man Charged in 1992 Double Homicide

Aug 12 2022

WEYAUWEGA, Wis. – The Wisconsin Department of Justice (DOJ) Division of Criminal Investigation (DCI) today announced that Tony G. Haase, age 51, of Weyauwega, Wis., has been charged with two counts of First Degree Intentional Homicide in connection to the March 21, 1992, deaths of Timothy W. Mumbrue and Tanna M. Togstad, in Waupaca County, Wis.


On Saturday, March 21, 1992, Mr. Mumbrue and Ms. Togstad were found deceased with stab wounds at Ms. Togstad’s residence in Weyauwega, Wis. A dog was also found deceased with stab wounds at the scene. DCI has been investigating this case since it occurred over 30 years ago. Recent DNA testing led to the arrest of Mr. Haase.


“This arrest happened because of investigators’ unwavering pursuit of justice over the course of three decades,” said Attorney General Josh Kaul. “Thank you to everyone whose commitment to this investigation made this arrest possible.”


If you or anyone you know may have any information to assist in this investigation, please call DCI at 1-855-237-3262.


As in any criminal proceeding, Mr. Haase is presumed innocent until proven guilty.


DCI is leading this investigation and is assisted by the Waupaca County Sheriff’s Office, the Wisconsin State Patrol, the Wisconsin State Crime Lab, the Waupaca County District Attorney, and the FBI.


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