Deadly Crimes and Tragic Losses: Recent Incidents Involving Wisconsin Deputies and Suspects with Criminal Histories.

Jeremiah D. Johnson, who killed a St. Croix County Sheriff's deputy before turning the gun on himself, was on probation in Minnesota for a 2015 kidnapping and sexual assault. Johnson was convicted and sentenced to just over six years in prison. He was on probation through October 2029 and was not permitted to use alcohol or other drugs, nor to use or possess guns. Deputy Katie Leising, 29, responded to a call and attempted to conduct field sobriety tests when Johnson became evasive. Body camera video shows Johnson pulling a pistol and shooting Leising.