In the summer of 1976, a quiet disappearance in Marshall, Missouri, marked the beginning of a case that would remain unresolved for decades. On the morning of July 19th, 37-year-old Male Lowen Dean Thomas was last seen at the Marshall State School, a facility where he had been a resident since 1947. Thomas, who was mentally disabled, was described by his family as a shy individual. His disappearance was particularly alarming because, in all his years at the institution, he had never attempted to
...Read MoreLast Seen: Jul 19, 1976