Mysteries guaranteed to keep you up at night...Everyone loves a good mystery, but what happens when a mystery never has a satisfying ending?Some of the most horrific true crime stories come from serial criminals-killers, rapists, arsonists. But there are some crimes with behavior so bizarre, so unsettling, that they could prevent you from sleeping ever again. While many of these legendary tales get overshadowed by more infamous cases, these terrible true crime cases of years past will remind you that horror comes in all different, terrible shapes and sizes. There are plenty of equally intriguing cases that seem forgotten, save by cops hovering over cold case files or hardcore true crime devotees and amateur sleuths.Why not join their ranks and see what you can figure out?