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.

Mother of five, Jennifer Dulos, disappears after dropping her kids at school, but evidence shows a brutal assault in the garage of her upscale, Connecticut home.

College student Faith Hedgepeth is found bludgeoned to death in an off campus apartment. DNA, a threatening note at the crime scene, and a voicemail from Faith's cellphone could point to her killer.