Investigation Discovery

Three missing teens vanish from a small town, leading detectives down a dark path toward a predator hiding in plain sight.

When a California mother is stabbed to death, police struggle for evidence. The case goes cold until a tiny clue leads to an undercover sting.

Patrick Pidock's daughter lived in constant fear of her father's sudden, violent outbursts. But no one could know what he was truly capable of.

Terror and bloodshed devastates a much-loved kindergarten teacher and her extended family.

An Auburn graduate vanishes in Alabama, and her friends grow suspicious of one another as secrets emerge and the search for answers turns inward.

Peter allegedly used his wealth and power to execute a system of luring young women and girls to his beachfront estate in order to rape them.

Working with her ex-girlfriend, detectives set a trap for Wuornos. When she steps willingly into the interrogation room, her story shocks them.

Fontana looks for answers after police refuse to pursue the leads she's shared, and it seems like some on the inside may be undermining her search; Fontana discovers dark truths about Christina's past as she plunges deeper into the family.

A video blogger posts every detail of her life online. One night, intruders break in her home and kill her husband. Will her endless videos provide a clue as to why?

An ordinary day at Chardon High School in Ohio is shattered forever when one young man shows up with horrific violence on his mind.

The Clark family's history of brutality and childhood abuse comes to light. Plus, Hadden's admissions take a toll on Jesus.

Jesus crime comes to light. Investigators work with Jesus to pull more information out of Hadden, leading them to other potential crimes, including the unsolved murder of yet another young girl. Hadden reveals his surprising partner in c...

Three missing teens vanish from a small town, leading detectives down a dark path toward a predator hiding in plain sight.

Working with her ex-girlfriend, detectives set a trap for Wuornos. When she steps willingly into the interrogation room, her story shocks them.

Fontana looks for answers after police refuse to pursue the leads she's shared, and it seems like some on the inside may be undermining her search; Fontana discovers dark truths about Christina's past as she plunges deeper into the family.

Terror and bloodshed devastates a much-loved kindergarten teacher and her extended family.

Working with her ex-girlfriend, detectives set a trap for Wuornos. When she steps willingly into the interrogation room, her story shocks them.

Fontana looks for answers after police refuse to pursue the leads she's shared, and it seems like some on the inside may be undermining her search; Fontana discovers dark truths about Christina's past as she plunges deeper into the family.

In Washington, officers respond to an assault and potential hostage situation. In Illinois, a deputy is shot, leading to a multi-agency manhunt.

A video blogger posts every detail of her life online. One night, intruders break in her home and kill her husband. Will her endless videos provide a clue as to why?

Michael Lee Smith's body is found shot and dumped on the side of the road. Police are forced to sift through lies as they attempt to track down the killer.

A husband finds his wife brutally slain and calls 911. Does he know more than he lets on? CCTV exposes secrecy and lies.

Nancy Grace reveals major developments in crimes. This week: the cases of Lindsay Clancy, Timothy Smith and Herbert Swilley, Tex and Diane McIver.

From Black Friday violence to family massacres, a special report CrimeFeed examines why the holidays bring out the worst in people. Featured are the cases of Joel Michael Guy Jr. and Kelsey Berreth.

Nancy Grace, Derrick Levasseur, and Mara S. Campo tear through evidence, demanding justice for victims of the biggest crime stories in this weekly expose. This week: BTK, Border Patrol Serial Killer, and Serial Killer in Portland.

They were the cases that shook us to our core. Serial killers caught after decades, family murders, teens killing teens, and the rich and famous committing heinous crimes. A look back at the biggest, most shocking crimes of 2023.

Three missing teens vanish from a small town, leading detectives down a dark path toward a predator hiding in plain sight.

An Auburn graduate vanishes in Alabama, and her friends grow suspicious of one another as secrets emerge and the search for answers turns inward.

A romance built on deception spirals into a dangerous web of false accusations and violence, culminating in a shocking confrontation with shots fired.

People Magazine editors present the story of Claudette Ficik, a Georgia college student who disappears while driving home to her parents, and the suspects include an infatuated classmate, an ex and the man she planned to bring home on th...

When local doctors in Bowling Green, Kentucky uncover a fake birth, detectives soon learn they are dealing with a violent, infant-stealing psychopath.

An 18-year-old computer whiz disappears in a small Georgia town, and as the search intensifies, suspicion begins to fall on those closest to him.

Mandy marries a man twice her age. As abuse escalates and confusion deepens, she searches for answers that lead to a shocking and painful truth.