20/20

An 11-year-old is kidnapped while biking home, leaving his parents searching for answers; another previously abducted victim speaks out after helping solve the mysterious case.

Moments after the judge declared a mistrial in the case of Lindsay Clancy, and the defense filed an emergency stay, "20/20" goes inside the case of the Massachusetts mother accused of murdering her three children, and shares new details.

The shocking story of two close-knit couples, a devastating betrayal and a deadly outcome.

After a young college student is found strangled on the side of the road, the case goes cold until an eerily similar attack breathes new life into the investigation and helps law enforcement catch a killer.

A young woman is murdered in her own home, leaving only one mysterious clue to help catch a killer.

When a young woman is found dead in an abandoned house, the prime suspect goes on the run, leading authorities on a cross-country chase.