Two Montana Sweethearts Were Fatally Shot in 1956. The Case Was Just Solved.. Murders, Attempted Murders and Homicides, Bogle, Duane (d 1956), Kalitzke, Patricia (d 1956), Gould, Kenneth (d 2007), Genealogy, Forensic Science, DNA (Deoxyribonucleic Acid), Great Falls (Mont), Cascade County (Mont)