George Morgan is serving time in an Illinois prison. For some unknown reason while he is serving his time he wants to talk about a cold case. The difference with George is he wants nothing in return for what he tells the detectives. Going back in his childhood, George talks about his childhood and his abusive step-mom. And the death of his 4 year old sister at her hands. With no evidence, only details, the detectives have to go back 30 years to look for evidence. The Killer Next Door is the second plot in this episode. John McRae began his killing at age 15. After his release and his proclaim to being reformed, the killings started again. His sexual motive was sadism and his preference was male boys. It would take 50 years, 4 homicides and 3 different state to find where the dumping grounds were. (thetvdb.com)