Chad Isaak found guilty in Mandan quadruple murder case

Prosecutors presented the case as a puzzle in which all of the pieces point to Isaak.

BISMARCK, N.D. (AP) – A jury has found a chiropractor and Navy veteran guilty in the gruesome killings of four people at a North Dakota property management firm. Jurors returned guilty verdicts Friday on all counts against Chad Isaak, who was charged in the deaths of RJR Maintenance & Management co-owner Robert Fakler and employees Adam Fuehrer, William Cobb and…