Watch Snapped: Behind Bars

Currently 17 years into her prison sentence for the poisoning of her ex-husband, Purdie Clark speaks out for the first time. When faced with questions about other lovers who died under suspicious circumstances, the interview takes a dramatic turn.

Convicted of killing two taxi drivers, Chaz Blackshear returns nine years later to share new details in what led to a brutal double murder; his accomplice and then-girlfriend, Danielle Hudson, reveals her role in the crimes for the first time.

Rebecca Keller reveals chilling new details about the night she stabbed her then-girlfriend's mother more than 70 times.

Speaking on camera for the first time, Cameo Clines revisits the deadly Texas crime spree born from a toxic romance.

In her first televised interview, Angelina O'Mara attempts to explain the back-to-back 2011 murders of her ex-husband and boyfriend; she describes her state of mind at the time and discusses whether she deserves redemption from those she hurt most.

18 years into her prison sentence, Coty Martinez opens up about the multistate killing spree that landed her behind bars.

Breaking her silence for the first time, Gloria Aiken sits down for an interview to plead her case.

Afton Ferris and Michael Schallert give exclusive interviews about the night that changed their lives forever.