UNSOLVED CRIMES: Serial Killers at LargeUnsolved crime is everywhere. The creepiness of the past is full of murders and mysteries, many of which still live on without any real conclusion. Despite the best efforts of investigators, amateur and professional, and even modern day technologies used to go back and reexamine the mysteries of the past, there still remain unsolved crimes. The unfortunate truth is, we may never know. This book looks at the horrific murders that continue to plague investigators in their elusive detail. Many have their own theories - and you can reach your own conclusions.