WAUPUN, WI (WTAQ) – A 76-year-old Crivitz man convicted of trying to hire a hit man to kill his son and his son’s wife has died in prison.
Robert Dettmering passed Thursday night.
He was serving a 20-year prison sentence at Dodge Correctional Institution in Waupun.
The cause of death has not been released as the Department of Corrections is investigating.


