When the nearly naked corpse of an older man is found along a horse path in Westchester, no one seems to know who he is. But after unraveling his identity, detectives are led on a four-state investigation and learn his murder was based on a mistake.

When a 3-year-old child goes missing from a Cincinnati Park, the community mobilizes in a massive hunt. But before long, detectives realize that not all is as it seems to be and uncover a terrible secret.

When beautiful fitness-fanatic Donna Zinetti is discovered brutally stabbed to death on a jogging path, detectives immediately suspect her recently-estranged husband, Keith Longtin. But not everything is as it appears.

When Chicago detectives launch a program to identify the remains of eight victims of an infamous serial killer, they find themselves unexpectedly solving a 35-year-old homicide.

A body is found engulfed in flames in a Los Angeles alley. He's thought to be the victim of brutal gang violence, but a tip soon leads police to the victim's ex. When new evidence is unearthed years later, it's clear the police were dead wrong.

A strange case of a missing college co-ed pulls detectives into a disturbing online world. The investigation spans the globe and ends in Minnesota where an internet predator is unmasked.

Corey and Monique Kitts seem to be living the American dream with children, a successful business, and a beautiful home. But when Monique and her children discover Corey's bullet-riddled body, the truth about their picture-perfect lives is revealed.

A troubled young mother mysteriously vanishes from her new home in Benson, Arizona where she had moved for a chance at a fresh start. Police uncover the truth of Devvra's disappearance when tips lead them through the seedy underbelly of Benson.

In El Cajon, CA - a haven for Iraqi refugees - a young mother is brutally attacked in her home and left fighting for her life. A note left at the crime scene lead police to believe it was a hate crime. Was Shaima's Iraqi community also in danger?

In the shadow of the nation's capital, a mysterious death on a Marine base confounds the NCIS. Was it an accident, or was it a homicide? It won't be long before police are hunting a violent sexual predator whose trail leads right back to the base.

Ruth Vosseler's estranged husband takes their two young sons on an overnight trip in 1986, but they never return. Ruth's frantic search for her fugitive ex-husband and two young boys spans 28 years and unearths dark family secrets.

The peace in a small town is shattered when a Muslim couple is gunned down on the street. Though injured, the husband survives and tells police the gunmen yelled racial slurs before firing. But was hate the only motivation for this heinous crime?

A brazen assassination in a small Texas town sets the community on edge. With killers on the loose, a team of special investigators tries to solve the case. They uncover a revenge plot, but can they nail the killers before they become targets?

A terminally ill 87-year-old man is found dead from an apparent fall down his basement steps. But detectives soon realize the scene has been staged. Who stands to gain from the quick death of a dying man?

After he clashes with co-workers, Tom Monfils mysteriously disappears on the job at a Green Bay paper mill. Soon enough it looks like murder, but no one is talking to detectives. Is it a conspiracy of silence, or a tragic miscarriage of justice?

A mother of four goes missing before testifying against her abusive boyfriend.