Serial killers are not a new phenomenon, but what happens when the "average" person falls under the spell of a sadistic predator? Some of the most terrifying crimes in recent history have been committed by not one crazed killer, but a deadly duo.

In Most Evil clinical and forensic psychologist Dr. Kris Mohandie examines the criminal mind to decode a killer's motive, method and thought process. The goal is to come to a better understanding of why certain criminals behave in the ways that they do.

This hour-long series gives viewers a voyeuristic peek into the lust and animalistic obsession that have fueled some of the more brutal acts of violence to grab front-page headlines across the globe.

It's one thing to have your average bad date. But it's quite another to have the date from hell! Because when a date that was supposed to be fun, flirtatious and enjoyable turns into a total nightmare that can impact your life permanently (even fatally).

True Crime with Aphrodite Jones follows one of the nation's top crime writers -- Aphrodite Jones -- as she goes behind the scenes of famous murder cases to uncover hidden secrets and new information to shed new light on these sensational stories.

Jealousy, deception and betrayal: it's the perfect recipe that can push a loving wife over the edge and put her spouse on the receiving end of a sharp blade.

'Stalked: Someone's Watching' follows the dramatic, emotional stories of stalking victims and the twisted psychology of the people who relentlessly pursue them.

Stories of men and women who thought they were happily married, until the day they uncovered a shocking secret about their spouse that would leave them asking Who the (BLEEP) Did I Marry?

Football, fame and murder. In this special, we examine the rise and fall of football star, Aaron Hernandez.

What if the person closest to you...were a devil in disguise? Evil Lives Here tells the true stories of people who lived with a killer. How well do you really know your family? Would you recognize the warning signs? Or would you become entangled in evil?

Nightmare Next Door is a true crime show that peels back the peaceful facade of small town America and exposes the dark secrets hidden behind its white-washed picket fences.

IN PURSUIT WITH JOHN WALSH carries forward John Walsh’s lifelong mission of tracking down fugitives from justice, finding missing children, and empowering the public to help support a more effective and accountable criminal justice system.

On The Case with Paula Zahn takes viewers on an exciting, visually compelling journey inside the most fascinating crime and mystery investigations.

Spite, greed, backstabbing and betrayal. When marriages fall apart, divorce can turn ugly...even deadly. Fatal Vows is a documentary series that explores tumultuous, shocking and high-stake divorces and the deadly murders linked to them.

People Magazine Investigates uncovers the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive firsthand interviews reveal shocking twists, new evidence, and unexpected resolutions.

Using the urgency and intimacy of local news footage, we recount the stories of murder investigations that turned small towns and communities upside down.

Fashions may change but murder never goes out of style. A Crime To Remember showcases the most compelling crimes of yesteryear, when secrets festered, passions ran wild and cops had nothing but shoe-leather and gut instinct to catch a killer.

True Crime with Aphrodite Jones follows one of the nation's top crime writers -- Aphrodite Jones -- as she goes behind the scenes of famous murder cases to uncover hidden secrets and new information to shed new light on these sensational stories.

Disappeared is a gripping series that focuses on missing person cases. Each hour delves into one story, tracing the time immediately before the individual vanished for critical clues about the disappearance.

Winter is a time of isolation and of fear. DEAD OF WINTER tells true tales of murder set in the starkest conditions. From a body frozen in the snow, to a woman who vanishes into an icy wilderness, each mystery unfolds in winter's eerie silence.