Detectives Just Used DNA To Solve A 1956 Double Homicide. They May Have Made History

It was only three days into 1956 when three boys from Montana, out for a hike on a normal January day, made a gruesome discovery they were unlikely to ever forget.

During a walk near the Sun River, they found 18-year-old Lloyd Duane Bogle, dead from a gunshot wound to the head. They found him on the ground near his car, and someone had used his belt to tie his hands behind his back, according to a report from the Great Falls Tribune. The next day brought another disturbing discovery: A county road worker found 16-year-old Patricia Kalitzke's body in an area north of Great Falls, the paper reports. She had been shot in the head, just as Bogle had been, but she had also been sexually assaulted.

Their killings went unsolved until this week when investigators announced they had cracked what is believed to be the oldest case solved with DNA and forensic genealogy.