Kidnapped just steps from her home, a 15-year-old girl is brutally assaulted and left for dead in Denver's South Platte River.

After 12-year-old Courtney LeBlanc is kidnapped from her home, her family fears she's fallen prey to a serial killer, but investigators enlist the help of the FBI, and their search brings to light a predator hiding in plain sight.

After 19-year-old Jamey Walker is kidnapped and murdered in 1981, her mother, Eleanor, dedicates the rest of her life to finding the killer.

A woman dedicates her life to finding the person who kidnapped and murdered her daughter in 1981.

Three members of a Taiwanese family living in Virginia disappear. Rumour has it they died overseas but investigators find answers closer to home.

In Phoenix, a wave of late night sexual assaults appears to be the work of a serial rapist, who targets women in their own homes while they sleep.

While nursing a broken heart, a graduate student is swept off her feet by someone new, then she comes to realize nothing is quite what it appears to be.

After a young mother goes missing, police suspect she may be taking a break somewhere with a new beau, while her family fears the worst.

Becky Sue breaks up with her abusive boyfriend and moves in with a relative to make a fresh start. When she suddenly goes missing, some people suspect foul play.

When Tom disappears on a job at a Green Bay paper mill, no one is talking to detectives. Is it a conspiracy of silence, or a tragic miscarriage of justice?