Predator at Large

In 2002, when 5-year-old Samantha Runnion is playing with a friend in front of their homes in Stanton, Calif., a man appears and snatches Samantha, dragging her into his car; the race is now on to find her and the man responsible.

Women are being murdered in Washington County, Ore.; a serial killer is one step ahead of the police, and the community lives in fear; after more bloodshed, residents discover that the brutal killer has been living in plain sight all along.

13-year-old Carrie Jopek has disappeared. For her terrified friends and family, she seems to have vanished into thin air. But soon after, her body is found underneath a neighbor's porch -- which sets off a hunt for her killer that spans decades.

A pregnant woman and her infant son vanish on a walk to their local corner store, and the close-knit town of Deerfield Beach is terrified; when the woman turns up dead, the community is convinced that it has a killer living in their midst. 

The peace of Raynham, Massachussets is forever shattered when cheerleader Mary Lou Arruda goes missing two days after her 15th birthday. The vast search effort to find her ends nine weeks later in the Freetown Forest, with a chilling discovery.

In 1988, 8-year-old April Marie Tinsley is abducted in broad daylight by a man in a blue pickup truck; three days later, a jogger makes a heartbreaking discovery in nearby woods; the discovery sends cops on a 30-year-long manhunt for April's killer.