When a young wife and mother, Natalie Mirabal, is found murdered and decapitated in Colorado's Lefthand Canyon, detectives uncover shocking secrets in this quiet, Rocky Mountain community.

A Texas A&M student leaves campus and never returns as his badly decomposed body is found 130 miles from campus.

Two days after Richard Mason, Kenneth Griffith and Earl Smock go for a ride along steep cliffs of Tennessee's Signal Mountains, their ATVs are found bloodied and abandoned.

An aspiring 17-year-old model never makes it home following a party after her first photo shoot, and her body is found the next day in a snowy forest.

Las Vegas bookie Bruce Weinstein vanishes one summer night, leaving behind a bloody mattress with a bullet hole.

Atlanta Police Lt. Doug Overstreet is a devoted husband, father, and policeman. So when his bullet-riddled body turns up naked and floating in the murky waters of South Carolina’s Lake Thurmond, officers across three jurisdictions are left dumbfounded.