BISMARCK, ND (AP) — A man who was serving a life sentence for killing four people at a North Dakota business in what authorities say is one of the state’s most horrific crimes. committed suicide in prison, authorities said.
The North Dakota Highway Patrol said a trooper was called to Bismarck State Prison around 5:45 p.m. Sunday “about a resident who self-harmed.” The soldier was told Chad Isaak, 48, was taken by ambulance to a hospital in Bismarck, where he was pronounced dead at 6:24 p.m.
Isaak was serving four life sentences without the possibility of parole for the April 2019 murders of RJR Maintenance and Management co-owner Robert Fakler, 52; and employees Adam Führer, 42; Bill Cobb, 50; and Lois Cobb, 45. The Cobbs were married. No reason was given during the trial.
The four were shot and stabbed inside the property management company building in Mandan.
Isaak was appealing his convictions.