Kathy Blair is found stabbed to death in her bedroom in Texas; the gruesome crime scene puzzles investigators until an unlikely clue that is captured in the darkness puts them on the trail of a depraved killer.
A brutal murder of a college student in Vincennes, Indiana, may go unsolved until a second crime puts detectives on the heels of a serial killer. As the investigation deepens, police turn to the killer's shocking pattern of violence for clues.
When a single mother's car is found abandoned on a lone stretch of highway in Illinois, detectives are forced to turn to forensic evidence to piece together the secrets of her disappearance, uncovering a dark obsession and a deeply personal motive.
Detectives in Florida are working to identify the body of a young woman found floating in a river. The sheer brutality of the murder and endless pool of potential suspects leaves investigators puzzled until they uncover a silent witness to the crime.
Petty Officer Amanda Snell is found dead in her room on the base and NCIS (Naval Criminal Investigative Service) is split as to whether her death was an accident, or if she was met with foul play.
