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?

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

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.

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.

We can't get enough of "caught on camera" crimes. In this ID GO original series, we dive deep and solve all the fascinating mysteries swirling around our favorite viral "caught on camera" moments.

Every family has secrets, skeletons in the closet. Blood Relatives is a true-crime series, investigating homespun murder mysteries where everyone is a suspect and every suspect shares a last name.

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

On any street, behind any smile, lurks an American Monster. Never-before-seen-video footage looks straight into the eyes of a killer, hidden in plain sight. Mom next door; dad across the street; the kid who never broke the rules. Anyone can be a MONSTER.

SHATTERED is about the impact of a crime... and what follows that life-changing collision. Anchored by three distinct but connected POV's, this original series explores how a crime forever alters the lives of those involved.

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.

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.

Each episode of The Devil Speaks immerses viewers into a warm and happy world of people whose lives are about to be overturned by a brutal murder.