The rapid improvement of crime-fighting technology (and the beautiful lies of CSI) make us believe that the killer can always be found. Yet every day there’s a new crime that goes unsolved, and more heinous perpetrators that never get caught. Whether its lack of evidence, lack of resources, or just plain bad police work, some of the most horrible murder mysteries are still exactly that: mysteries. if there was ever a list that could make you lock your doors at night, this is it. These killers are still on the loose. #22 will absolutely STUN you!