Author Cheryln Cadle divulges chilling never-before-heard details that Chris Watts personally told her about murdering his family. Plus, for the first time on television, a prison pen-pal and a cellmate reveal a unique relationship they formed with Watts behind bars.

For the first time on television, two of Susan Smith's former cellmates discuss her surprising and unforgettable sex and drug related antics behind bars. A former prison captain also reveals how he lost everything after committing sexual misconduct with Susan.

Shayna Huber's college friend and cousin of victim, Ryan Poston, reveals how Shayna manipulated Ryan in order to lure him back into her arms before murdering him in cold blood. And in their first interviews ever, two of Shayna's former cellmates divulge her shocking prison confessions.