38-year-old Danny Coleman's charred remains are discovered 50 miles from home, and the investigation to hunt down his killers will take almost two decades and involve sex, drugs, and a voice reaching out from the grave.

Two frat brothers become inseparable, but after college their once close friendship ends in murder.

A beloved small town city worker is gunned down at work.

A young woman is killed and her live-in boyfriend fights for his life after being shot twice in the head. As a close-knit family struggles to cope with their sister's senseless murder, they're shocked to learn the sad secret she took to her grave.

When 21-year-old Rose Goggins goes missing, leaving her 1-year-old son behind, police have a gut feeling something is terribly wrong. They soon find her car, but not her body. Now, the only thing more shocking than what happens to Rose is who did it.

The charred remains of an unidentified man are discovered in Florida.

When 15-year-old Annie Kasprzak was found brutally murdered, her foster parents were devastated. It would take a dedicated rookie detective shifting through false leads and digital forensics to uncover the shocking truth of what happened to Annie.

When a vivacious young escort, Shannan Gilbert, vanishes on Long Island’s south shore in 2010, her disappearance leads police to discover the bodies of ten other victims dumped by a serial killer.

The discovery of four women’s bodies on Gilgo Beach was just the beginning. But who is the Long Island Serial Killer? Investigators uncover multiple suspects and shocking theories, as they race to capture this prolific killer before he strikes again.

In 2011, a 10-month-old baby girl goes missing from her home in Kansas City. The family fears she’s been kidnapped by a drifter, only to be accused by the police of being responsible for her disappearance.

Outgoing Jackie Galloway is found strangled and bound with ritualistic knots. Police investigate suspects in her inner circle but are shocked when a chance encounter with a prowler leads them to discover the murderer is a budding serial killer.

A mother and three teens are murdered in the remote town of Keddie, California. Despite a trail of suspects and illicit activity, no one was ever brought to justice. But recently discovered evidence may be the key to finally cracking case.

In 2012, hikers in Los Angeles’ Hollywood Hills discover the severed head of Hervey Medellin, a retired flight clerk. The cast of suspects includes former lovers, drug cartels and a murderous porn star, in a tale of lust, greed and butchery.

In 1995, bright 16-year old student Adrianne Jones is found shot to death in Grand Prairie, Texas. Police don’t have any strong suspects, until nine months later when a game of Truth-or- Dare leads to a startling confession.

Six-year-old beauty queen JonBenet Ramsey is found murdered in her Boulder, Colorado home in 1996. Investigators try to unravel if she was killed in a kidnapping-gone-wrong, by a home intruder or by one of her own family.

A lone survivor is the only witness who can help police track down a serial killer known as the Grim Sleeper, who preys on women in South Central Los Angeles. After decades of searching, police hone in on an unlikely suspect.