Cellmate Secrets

In 2007, Drew Peterson was charged with murdering Kathleen, his third wife; new interviews with Drew's girlfriend, Nicole Speakman.

A former prison staffer named Joyce Mitchell helped two convicts escape from Dannemora prison in N.Y.; Erik Jensen reveals the tactics that inmates used to convince Joyce to help them escape.

Christa Richello is convinced Chris Watts is innocent and is writing a book with him and her now-fiancé, Dylan; Christa delves into her relationship with the two men, and Cheryln Cadle reveals information the FBI doesn't know.

Shayna Hubers shot and killed her boyfriend, Ryan Poston; now Holly Nivens details how Shayna manipulated her into believing it was self-defense; Cecily Miller details Shayna's behavior after her arrest; Carissa details how Ryan wanted out.