A retelling of the truly chilling, real-life stories of people who shared their homes and their lives with loved ones who turned into killers. Plus, interviews and firsthand accounts of the critical moments leading up to the vicious acts.
When Karen Kuzma was a little girl, she adored her older brother. But she was unaware he would become the most infamous serial killer in US history.(S04,E01)
When Joshua Hudnall went off to war, he thought he'd escaped his mother's torment. Upon his return, she'd helped turn his sister into a killer – of their own father.(S04,E03)
When Lori McLeod fell for FBI agent Scott Kimball she believed he would protect her family. She never suspected the secrets that he was hiding until it was too late.(S04,E06)
Jamie Clark had been twice unlucky in love, so when she met a new man she was overjoyed. But, once she'd realised his perverted plans for her, she was trapped.(S04,E05)
Walter Stawicki tried to protect his son, Ian. But, when he became a man, Ian committed an appalling crime and Walter realised he could have prevented a tragedy.(S04,E02)
Felecia Collier almost killed Chester Turner once. Then, she was glad to hear that he would live. But years later, that would become her biggest regret.(S04,E08)
Cindy Best risked her life to get her husband, Karl, to confess to murder. After years of lying to his family, she managed to get truth out of her husband.(S04,E04)
When Robin Lindsey escaped her violent mother and moved in with her father she thought she was safe. But, he was hiding a dark and evil secret from her.(S04,E07)
Kat Harris and Marla Kreuger both loved Lawrence Harris. They dismissed his dark obsession as odd, but neither realised he would sacrifice innocent lives.(S04,E09)
To the world, Aziza Ayinde Kibibi's father was a hit music video director. But to her, he was a repulsive monster who did horrifying things in God's name.(S04,E10)
Norma grew up in fear of her mother, a woman whose anger destroyed those closest to her. But when people started dying, Norma had to turn in her mother to police.(S04,E11)
When Alvin "Bud" Brown was arrested he said he was like Hannibal Lecter. But, to his wife Jackie he was perfect, until she learned the truth at Thanksgiving.(S04,E13)