In July 1984, Clarence and Marjorie Paulson, father and daughter, were reported missing from their home in Minnesota. At first glance, sheriff’s deputies didn’t see any obvious signs of a struggle. Marjorie and Clarence didn’t have driver’s licenses, and the three-wheeler Clarence used to travel was still at his house. Marjorie’s purse and knitting needles were left behind. Neighbors didn’t offer much of an explanation about where they’d gone – the two were considered reclusive, but known to travel into town every so often.

But a closer examination of the home revealed more to the story. And six years after reported missing, detectives found the unthinkable.