A hearing impaired 77-year-old on a road trip is shot to death. Why? Because the man cannot hear his assailant's demands. Random murders are among the hardest crimes to solve, but investigators are determined to bring this case to justice.
A young woman is found murdered on the side of a rural driveway. The victim had been out with friends. The investigation would remain unsolved. Until three decades later, when forensics from an unrelated crime helps breaks the case.
When a beautiful college student is stabbed to death in her Knoxville apartment, suspicion immediately falls on her roommate. A bloody shoe print left by the killer exposes a murderer with no history of violence and no reason to kill.
When a 79-year-old woman is found shot to death in her home, investigators initially suspect her husband or a violent neighbor; shell casings recovered at the scene and a high-tech database reveal an unlikely killer.
The body of a 24-year-old criminology student is found wrapped in a blanket alongside a desolate road in Brooklyn, N.Y.; police discover that the bouncer at a bar is her killer.
An insurance agent is shot execution style in his office, but the killer leaves no fingerprints, and there is no murder weapon found at the scene; then investigators discover a critical clue invisible to the naked eye that cracks the case.