A young woman's search for her birth mother ultimately leads her on a quest for justice.

A young mother inexplicably disappears in the middle of the night only to be found savagely murdered the next morning, prompting police to retrace the tumultuous events of her last night on Earth.

As a 4-year-old girl, Heidi Jones discovered her mother's lifeless body on the living room floor; now, as an adult, Jones guides police on a relentless quest to find her mother's killer.

A young woman is savagely murdered while fishing along the Platte River.

A young mother is viciously stabbed in broad daylight, and her final words may provide police with the key to catching her killer.

A wave of fear sweeps across Aurora, Colo., after two similar crimes are committed just days apart, and police race to stop a hammer-wielding killer before he strikes again.

The body of a teenager is found savagely murdered just steps from her home; when the investigation stalls, police are approached by a brave young woman who is willing to risk her own safety to get justice.

A convenience store worker is abducted from behind the counter in the middle of the night, becoming the first of three women to disappear from their small town under shockingly similar circumstances.

When a young woman and her 6-month-old child disappear off the quiet streets of Deerfield Beach, Fla., it is the beginning of a terrifying murder mystery.

A young woman is found shot to death near a dirt road; police hope the bullet found at the scene will unmask her killer.

A mother finds her teenage daughter savagely murdered inside their own home. Will a few drops of blood discovered decades later be the key to solving the tragic mystery?

A successful car salesman is killed in a hail of gunfire that erupts on his front porch.

The murder of a beloved and talented church organist sends police on a disturbing search for answers.

In Las Vegas, 41-year-old Nancy Menke, a mother of four, is found handcuffed and murdered in the passenger seat of her car; a records clerk in the insurance fraud unit stumbles upon a strange report that blows open Menke's murder case.

John Greathouse finds his stepdaughter, Kelli Bailey, murdered in her bedroom; investigators find a video tape and a dead man's forged check and hope these clues will be the keys to bringing Bailey's cold-blooded killer to justice.

Reeda Roundy and Betty Gray are found murdered in Roundy's home, along with a message written in blood, saying "Satan Loves You;" detectives piece together the stunning truth behind the murders with insights provided by the victims' families.