Cellmate Secrets

Casey Anthony's former jail mate reveals how the two forged a deep friendship through hundreds of letters and secret meet-ups behind jail walls. Through the evolution of their friendship, the former prison-mate begins to notice red flags and realizes that her Casey may actually be the person everyone warned her about. Plus, a prison guard reveals how meeting Casey wreaked havoc on her life.

In 2007, Drew Peterson was charged for 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 don't even know.

Susan was convicted of killing her two sons; now her cellmates are revealing all, including how they helped her procure drugs and kept her sexual relationships a secret; Alfred and Elizabeth Rowe detail Alfred's inappropriate encounters with Susan.

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 behaviour after her arrest; Carissa details how Ryan wanted out.