Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Tubi TV, Sling TV, Animal Planet, AHC GO, Destination America GO, Discovery Life GO, Cooking Channel
Non-fiction crime author M. William Phelps and criminal profiler John Kelly revisit unsolved homicides believed to be the work of serial killers. The twist? They have an insider that intimately understands the disturbed mind of a murderer – a convicted killer currently serving multiple life sentences in a maximum-security prison.
