World's Most Dangerous Prisoners
Robber-turned-killer Erica Jenkins goes on a murder spree in Omaha.
Robber-turned-killer Erica Jenkins goes on a murder spree in Omaha.
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An in-depth look at some of the world's most dangerous murderers.
Natalie Jarvis was killed by Adam Whelehan, whose cowardly plot was exposed by investigators.
The I-95 killer, who brutally killed six men in 1994, is executed three years later.
Claire Inglis became trapped with violent offender Christopher McGowan, leading to tragedy.
Two criminals who met in prison strike up a friendship, which had deadly consequences.
Craig Bjork, who killed two women and both of his children, remains a threat -even behind bars.
After shooting two people, Rodney Berget kidnaps and sexually assaults a gas station clerk.
Imprisoned for murdering a woman and her son, Denver Simmons only caused more violence behind bars.
The Myrtles Plantation is shrouded in a controversial dark history.
Nick investigates Nazareth Hospital and tries to make contact with the spirits said to haunt it.
Nick Groff investigates and sleeps in an attempt to make physical contact with the spirits.
Chacey Poynter saw men as tools to get what she wanted, especially her husband and her boyfriends.
Dallas Augustine had wealth, a wife she loved and a fledgling political career.
In 1999, pregnant mother of three Debbie Griggs disappeared without a trace.
Scott and Lori Gellatly had a whirlwind romance followed by an abusive marriage.
Frances Hall was humiliated when her childhood sweetheart Bill had a long affair.
Recordings provide evidence to solve the death of a man's wife; a feud leads to a fatal house fire.
A 13-year-old girl is found stabbed over a hundred times; a teenager comes under suspicion.
Investigators uncover a twist in one murder case, and digital evidence raises questions in another.
Two missing mothers were linked when evidence tied Derek Brown to both their violent deaths.
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