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.

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.

This nail-biting series follows people who take the risk to move in with relative strangers. Small disagreements soon bring out the worst in one another until tensions escalate, provoking claustrophobic rages that erupt into heinous acts of violence.

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.

A retired homicide detective and criminal defense attorney 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.

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

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Each week, unique stories are connected by tension so taut that audiences will have their heart racing every act. Using classic horror movie techniques, Your Worst Nightmare delivers true crime thrillers that will keep viewers glued to their seats.

Obsession: Dark Desires offers intimate access to the emotional scars of those who have suffered as victims of extreme obsession.

No one solves a murder by themselves - it takes a skilled and dedicated team to identify, catch, and prosecute killers - and nowhere is that truer than in Atlanta, Georgia. Each Atlanta Justice episode follows investigators from Atlanta's storied Homicide Unit and skilled prosecutors from the Fulton County District Attorney's Office. Viewers will be immersed in the world of big city detectives as they solve Atlanta's most baffling and horrifying crimes and track down the city's most deadly criminals. Atlanta's Homicide Unit consistently has one of the highest clearance rates in the county, and its success is due, at least in part, to the fact that the Homicide Unit reflects the diversity of the city it serves, and that is something that will be on display in every episode of Atlanta Justice.

In this investigative series, Emmy winning journalist, Charlie Berens, will delve into worlds we've all heard of, but never knew had a sinister side. He'll meet people who have lived to tell their stories of torture and abuse of power.