Four teenagers camped beside a Finnish lake in 1960. By morning, three were dead, one was badly injured, and the person who attacked their tent had disappeared.
Days before six people were killed on an isolated Bavarian farm, strange footprints appeared in the snow. They seemed to lead toward the house, but not away from it.
A young man checked into a Kansas City hotel under a false name in 1935. Two days later, Room 1046 became the center of a murder mystery that still has no answer.
Four people were killed on a remote road above Lake Annecy in 2012. Fourteen years later, a pistol surfaced from the lake and sent investigators back to one of France’s most haunting cold cases.
