Real Life Nightmare

College student Elisa Lam checked into a Los Angeles hotel, but never checked out. The last known images of her are from the hotel's elevator security camera.

Michelle Parker appeared on an episode of "The People's Court," fighting with her ex-fiancé over a diamond ring. Hours after the episode aired, Parker vanished.

A family camping trip to the remote Idaho mountains turned into something out of a horror movie when 2-year-old DeOrr Kunz disappeared.

Newlyweds Jessica and Matthew Boynton seemed like the picture-perfect couple, until the young mother was found unresponsive inside her locked bedroom closet.

Five-year-old Haleigh Cummings disappeared overnight from her home near Jacksonville, Florida, after her dad's girlfriend put her to bed.