Real Life Nightmare

5-year-old Haleigh Cummings mysteriously disappears overnight from her home near Jacksonville, Florida, after her dad's girlfriend puts her to bed. Was Haleigh abducted or did something else happen?

Newlyweds Jessica and Matthew Boynton seems like the picture-perfect couple until the young mother is found unresponsive and covered in blood.

A family camping trip to Timber Creek Campground in the remote Idaho mountains turns into something out of a horror movie when 2-year-old DeOrr Kunz disappears; at first it looks like he may have been abducted, until other disturbing theories start to emerge.

Russell Dermond's headless body is discovered in the garage of his million-dollar lakefront mansion; his wife, shirley, is found floating dead in the water, her ankles tethered with cinder blocks. One key piece of evidence remains missing.

After 7-year-old Kyron Horman's stepmother drops him off at a school science fair and takes a picture, the little boy is never seen again; his disappearance is one of the largest mysteries and investigations in Oregon's history.

Three young brothers are reported missing the day after Thanksgiving in 2010. In a shocking twist, their daddy claims he gave them to an underground group -- but investigators say his story doesn't add up.

35-year-old Crystal Rogers, a mother of five, goes missing and her car is found on the side of the Bluegrass Parkway with a flat tire and her keys, purse, and cell phone all left inside. But Rogers’ disappearance isn’t the only mystery casting a shadow over Bardstown, Kentucky.

Brian Shaffer, a handsome, young medical student, is out celebrating the start of Spring Break with friends after cramming for medical exams. Brian is clearly recorded on surveillance video entering a bar, but is mysteriously never seen leaving.

Avid outdoorsman Kenny Veach vanishes near the mysterious Area 51. Searchers find his cell phone near a mine shaft, but no sign of Kenny. In earlier, recorded video, Veach describes his body vibrating as he approaches a cave near the same location.