The ex-wife of serial rapist James Bergstrom discusses their abusive marriage and her attempts to alert the authorities about his crimes.
The daughter of James Carson reveals her shock at discovering her father was one of America's most notorious serial killers.
The unsuspecting wife of serial killer Sean Vincent Gillis discusses living with a man who killed eight women and mutilated some of his victims in their home.
Caitlin Atwater reflects on discovering her stepfather murdered her mother, and then how her shock was compounded by learning he had killed before.
Three brothers discuss the shock they felt at discovering that their father was a bank robber, and reflect on how difficult it was to turn him in to the police.
The wife of murderer Terry Driver reveals her shock at discovering she had married the man who killed a teenage girl in Canada in 1995.
Chip St Clair reveals his horror at discovering his father, Michael Grant, was a convicted child killer who had been on the run for 26 years.
Dewayne Barrentine reveals how he set a murder investigation into motion when his curiosity about his ex-girlfriend's past helped to reveal her dark secrets.