25 Murders That Will Forever Remain As Unsolved Mysteries
The Vending Machine Killer The vending machine killer. Ten people died in total before the murders stopped abruptly. The identity of the killer remains a mystery. Nikko Macaspac exodus010 2. The Hinterkaifek murders The Hinterkaifek murders took place in Germany in 1922. All six inhabitants of the farm were murdered with a mattock. Some keys went missing, and the maid claimed the house was haunted. So it looks like the killer snuck into the house before the murders and stayed there afterwards....