Forensic Files

The case of missing stewardess Helle Craft is recounted. Although her body was never recovered, police used forensic evidence to charge her husband with murder. It became the first...

At the Dallas 'Pistol & Revolver' club in 1991, Trey Cooley, a young spectator, was watching a shooting competition, seated behind an air gun range. He was struck and killed by a s...

Caren Campano disappeared and her husband, Chris became the prime suspect -- especially after police found a huge bloodstain on the Campano's bedroom carpet. When they sprayed the...

The first case to use DNA evidence is detailed. In 1983 Leicester, England, police were stymied by a rape/murder of a 15-year-old girl; three years later, faced with a similar crim...

Single mother Denise Johnson is found dead in a deserted area outside of Phoenix, Arizona. Local investigators ask a molecular geneticist to pick out a tree in a 'lineup' when unid...

The U.S. criminal justice system's first use of DNA profiling in a serial murder case frees an innocent man after he spent two years in prison, and convicts the real killer. FBI ps...

Legionnaires' disease is one of the most famous medical detective stories, especially irritating for its missteps and frustrations. When 180 Legionnaires contract pneumonia-like sy...

On the night of May 22, 1992, Betty Wilson returned home after a meeting. She walked up the stairs to the bedroom and discovered her husband, Eye doctor Jack Wilson, beaten and sta...

Troubling clusters of deadly cancer cases strike concerned communities across the country. In a Phoenix suburb, too many children are fatally stricken with leukemia and, on a Conne...

Between 1985 and 1988, 18 people were choked, molested and left for dead in the remote desert mountains of California. The only witnesses were the insects – and they also proved to...

Alarmingly high levels of thyroid hormones pump through the systems of South Dakota residents. Investigators study one family who all got sick, except their 12-year-old son who is...

In 1971, John List left a note with the bodies of his mother, wife, and three children in his mansion ballroom, funeral organ music blaring from a central sound system, and disappe...

Escherichia coli (E-coli) bacteria can be found in meats, milk and in water. When food is properly processed, prepared and stored, E-Coli are harmless. But in the absence of these...