Martin Kemp's Murder Files: Martin Kemp's Murder Files provides a detailed account of crimes and a step-by-step forensic analysis as to how evil killers were eventually identified. Using archive footage, reconstruction and expert testimony their crimes are laid bare whilst detectives, journalists, friends and leading criminologists offer a rare insight into the methods and motives of the most notorious murderers in history. From the Yorkshire Ripper to the Green River Killer, this show will feature them all.