When Darlie Routier awoke during the night to find herself confronted by an intruder and two of her children dead of multiple stab wounds, she roused her husband and called the police. In this program, detectives, a medical examiner, and an FBI agent use wound and blood spatter analysis, "amido black" and luminol testing for eradicated blood stains, behavioral profiling, and computerized analysis of the 911 call Darlie made to determine that the crime was actually an "inside job" and that Darlie herself was the murderer.