Police must track down a vicious killer on his deadly cross-country killing spree.

A 19-year-old clerk is abducted from a Del Ray Beach convenience store while eyewitnesses watch in horror.

A mother of three disappears from her office in broad daylight, and the case remains open for eight years until two farmers unearth a clue.

High school sweethearts disappear during a picnic and investigators spend years chasing false leads.

A 14-year-old girl's shortcut home from school puts her on the path of a savage killer.

19-year-old Shelley Sikes vanishes one night after her shift, and then her abandoned, blood-streaked car is discovered on a dark roadway.

A heartbreaking mystery begins with the discovery of a young woman's body floating in Washington state's Yakima River.

A trail of blood and broken cornstalks leads police to the body of a beautiful young girl.

A 14-year-old girl is found stabbed to death in an empty campground more than 50 miles away from where she was last seen.

A college student is found stabbed to death in her off campus apartment. Will it take a second tragic murder to solve her case?

When Kenny Baker returns home, the backdoor is ajar and his wife, Kathy, and two-year-old son, Ryan, are nowhere to be found, having disappeared out of their backyard in broad daylight.

Police race to find a young woman who disappeared on her way to work, but the clues they discover reveal a trail of unspeakable evil.

A teenager is found murdered on the weekend of the Daytona 500 motor race in Daytona Beach, Florida. Then, one year later, police are called to the scene of a nearly identical crime.

A mother's desperate cry for help leads to a terrifying discovery.

After a newlywed is found murdered in her bedroom, a search is launched for the killer that will last for three decades.

An 18-year-old woman never returns home after a night out with friends, and the police come up against a wall of silence that keeps them from uncovering the truth.

Two small boys witness the brutal murder of their mother, and their story may bring her cold-blooded killer to justice 30 years later.