On the debut season of Killer Genes, an exclusive with "The Black Widower" speaking for the first time from Death Row, a father serving life for killing his daughter says he's innocent and we uncover evidence his daughter, whose body was never found, may actually be alive. The murder mystery of a beloved teacher out of Delaware, a 20-year-old with a black-belt in Taekwondo is murdered in her home, a father of two and beer distribution mogul assassinated at his front door, a man wrongly convicted for 13 years tells his story and a serial killer is finally captured using genealogy tools to connect the dots and find his victims. The host's Melissa McCarty and Kelly McLear are two-time Emmy nominated investigative journalists with more than 30 years of true crime experience. What sets them apart is their access into each case, compelling storytelling giving a 360-degree view told by the source; the victim, their loved ones, and the accused killers.