When a Homecoming Queen and a Dairy Princess are murdered in Marathon County, Wisconsin, detectives question a pool of suspects, from strangers to frenemies.

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 popular New Jersey teen is found murdered in her aunt's kitchen. Police investigate her relationship with a 20-year-old, exposing abuse and a tragic end.

Robert Henry, an executive in Tacoma, is murdered in 1995 by a masked gunman. His wife tells police she thinks he was killed by a former business associate.

Noah Kinney is shot dead in a car in Akron, Ohio. Detectives race to find an armed killer on the loose and discover video evidence that cracks the case wide open.

A 911 call leads police to find Ron Whiles shot and burned in his home in Lafayette, Indiana. Police questioning leads them to one name.

Patricia Rorrer sits in prison for brutally murdering her ex-boyfriend's wife and baby out of spite. Chris and Fatima investigate the case in search of the truth.

Nanette Packard thought she had it all until she was convicted of murdering her fiancé. Her daughter hopes Chris and Fatima can prove they got the wrong woman.

A man is found burnt in his truck, police suggest suicide, but his mother believes he has been murdered. A car chase leads to a death, was it intentional?

A college student is found stabbed to death in her bed. Detectives immediately find the murder weapon and an eyewitness, but the case stalls.

In 2016, Tricia Todd is reported missing when she fails to pick up her daughter from a babysitter. Police used her online journal to discover what happened.

In 2012, Michelle Mockbee's beaten body was found at work. She was wearing her sapphire ring, so robbery was ruled out. The case stalled until a video blew it open.

A young woman on the brink of starting her dream job disappears, and it's down to forensic officers to gather the clues that may lead to her whereabouts.

When America's leading atheist goes missing, it falls to a private eye and reporter to find the truth, which turns out to be stranger than fiction.

When an innocent young mother turns up dead on the tracks, the small town of Findlay, Ohio, must figure out who would take the life of such a kind soul.

A couple goes missing from their rural Kentucky home, leaving behind a mysterious crime scene. Clues emerge across state lines and an unlikely source reveals the shocking truth.

Bitter accusations come after single mother Kelli Underwood moves in with her best friend from high school. Soon, Kelli's daughter finds her dead.

Wayne High volleyball star Stacy DeGrandchamp is pretty and popular until jealousy and rumours lead to a rift in her circle of friends.

The body of Linda Strait is found along the Spokane River. Detectives will spend the rest of their careers searching for the ruthless killer.

Kimra Riley heads to a bar looking for fun. Two months later, her body is found on the banks of the Tennessee River. Can police bring justice to her family?

Steve and Amy travel to Grant Township, Michigan, where a desperate couple claims paranormal activity is trying to kill them. What will they discover?

Charlie and the team uncover aggressive paranormal activity at one of the most haunted places in Scotland, Stirling Old Town Jail.

The team investigate poltergeist activity and uncover a shocking electronic voice phenomena at the Tron Theatre. Can they capture the dark entity on camera?

Karen calls Tim and Sapphire back to Gunslinger Gulch to investigate a fire-branded omen. A confrontation with his own dark nemesis leads Tim to painful revelations.