A young mom of two perished in a raging house fire, but her autopsy reveals the cause of death was not asphyxiation but a bullet wound to the head. Forensics uncover the killer.

10-year-old Zahra Baker survived cancer twice but lost her leg and hearing. When she disappears from her bedroom in the middle of the night, investigators are puzzled by a ransom note left at the scene, but Zahra's fate is worse than they could have ever imagined.

Barbara Kendhammer suffers fatal injuries after a heavy pipe impales the windshield of her car, but evidence at the crime scene tells a different story.

Robert Lee 'Hank' Dawson was murdered in 1993 a car-bomb explosion in Alaska. Investigators tirelessly interview suspects and collect local videos to eventually zero in on the perpetrator.

Kelsey Berreth, a young Colorado mom, disappears on Thanksgiving Day and was last seen on grocery store surveillance with her baby. Police soon uncover a brutal crime scene at her home and expose a twisted love triangle.

Young mom of two, Kelley Stage, is found brutally murdered in her home after her husband returns from a night of poker. Her young child witnesses the crime and reveals shocking details to investigators.