Abby Casey

1 week ago | montanastatenews.com | Abby Casey |Derek Wolf

The Yellowstone County cold case of George Heinrich and Marlene Mazzola remains one of the most haunting double homicides in Billings history—still unsolved more than four decades later. A Night Out Ends in TragedyOn the night of September 21, 1980, 42-year-old Marlene Mazzola and 57-year-old George Heinrich spent their evening dancing at the Elk’s Club in Billings. They left the club around 1:30 a.m. and returned to Heinrich’s home on Highway 312 near Shepherd.