Police are dubious when a woman reports her father Dwight Tobyne missing after eight months. None of the Tobynes seem eager to talk least of all Dwight's wife Shari. This family's secrets will lead detectives to a grim discovery in an Arizona desert.

In the wreckage of a church fire, detectives think they find the headless body of beloved pastor, John David Terry. Worse still, a friend named James Matheny has vanished. Is Matheny the killer, or another victim?

A 9-year-old girl vanishes while delivering cookies around an affluent neighborhood in Nashville, Tenn.; investigators turn up several suspects, but it takes more than 30 years for the case to be solved.

A husband has gone missing from a happy marriage, but a trail of e-mails detectives followed toward the killer has suddenly gone cold. Does the widow know more than she's telling?

When Det. Pat Postiglione finds a woman's body at a truck stop, clues suggest a serial killer. The focus shifts when suspicion falls on the victim's two drug-dealing friends. But Postiglione's first instincts were right... and the killer is targeting him.

New homeowners spot a barrel in their crawlspace and are horrified to find a body inside; later, forensic experts recover a cryptic note saying, "I told the truth."

When Shauna Tiaffay is found brutally murdered, her husband George immediately becomes the prime suspect, but he has an ironclad alibi. The case goes cold, until a tip cracks the case, and a secret shatters the lives of this seemingly perfect family.

Loretta Bowersock is dropped off at a mall for a day of shopping, but never seen again. Investigators struggle to come up with a suspect, until they discover that Loretta had a secret that shocks her loved ones, and may explain her disappearance.

The grisly discovery of the bodies of several young women in a remote section of the Molalla woods in Oregon reveals the sadistic practices of a serial killer with a seemingly normal job and family.

Detectives called to the home of Ken and Kristine Fitzhugh learn that what was once considered an accidental fall is now being investigated as a homicide. They find themselves on the hunt for the real scene of Kristine’s death... and for her killer

For the Woodman family, nothing seems too rich for their blood. But sometimes, having everything is never enough. When greed, jealousy and quest for power threaten their lavish lifestyle, a vicious plot unfolds to reveal an evil seeking vengeance.

When teenager Marlisa Wells is stabbed to death, few can imagine why anyone would do that to such a lovely girl. But Marlisa's friend says she was keeping a secret from her family, and investigators must determine if it led to her brutal murder.