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?

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.

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.

Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wiles to manipulate us, seduce us and try to get away with murder.

This series features hour-long stand-alone episodes that tell tales of Lake Erie's haunting and fascinating murders and mysteries -- reminding viewers that when it comes to Lake Erie, there is something about the water.

In this ID GO original series, we hear about small-town murders that consumed the locals for weeks or even years, straight from the mouth of journalists who reported them as they broke. Local Mysteries proves that murder strikes twice in the unlikeliest of places.

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.

Two investigators re-examine controversial murder cases to help the desperate families of those convicted decide if it's time to appeal... or accept the guilty verdict once and for all.

Take a drive around the way with Detective Garry McFadden from I Am Homicide to see candid encounters and "good ole boy" stories with passersby. Each episode provides heartfelt memories from when McFadden was busting homicide cases wide open!

Follow ID Now to re-examine a current true crime case where unanswered questions remain and the mystery is still unraveling. Hear from those closest to the victims, including family, friends, local journalists and law enforcement.

Homicide investigations unfold through dramatic real footage in this groundbreaking series. The series provides an up-close perspective of the case, including footage from bodycam at the crime scene, surveillance video, and interrogation room video.

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.