Investigation Discovery HD

When Christina meets Loren, she's looking for love and an escape from a troubled home; after his dark side emerges, Christina thinks she's the lone target of his rage; a trail of clues reveals that Loren and his best friend are serial killers.

Lisa can't understand why her mom stays with her dad; he's cruel, unpredictable and violent; Lisa finds ways to cope, but what takes place is something she couldn't have imagined.

Betty hopes her sister's son, Chance, is a beacon of hope in their troubled lives, but Betty sees his dark side early on; he lacks empathy and becomes violent until he explodes in a fit of rage, harming the one person who cared for him most.

When Letisha meets Phillip, his charm lures her in; but when his dark side emerges, Letisha is trapped; she manages to escape him, but when she discovers he's wanted for rape and murder, she knows she's lucky to be alive.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.

Delve into the psyche of America's notorious serial killers.