Forensic Files

A woman's dead body is found in a public park. When a knife through to be the murder weapon turned up, investigators had an opportunity which seldom occurs: to compare the microscopic marks on the wea...

28 Marras 201923min

The crime scene was awash with blood. Analysis showed it had come from two people, one of whom was female. The male DNA was the victim's, which meant the killer was a woman. Leads dried up and the cas...

25 Marras 201923min

The bodies of two women are found in the ashes of a fire, which appeared to have been set deliberately. Evidence found leads investigators to a suspect, but it would take a blood stain no bigger than ...

21 Marras 201920min

Two different men telephoned 911 to report a woman had been murdered; neither knew the other had called. Examination of bloodstains, a discarded candy wrapper, and a few tiny seeds enabled forensic sc...

18 Marras 201923min

An aspiring model turned up dead, and the prime suspect was her boyfriend. When he was eventually cleared, investigators had to dig deeper to find the perpetrator. With the help of a forensic geologis...

14 Marras 201923min

For seven years, a trio of men robbed one bank after another. They always got away before the police arrived, and they left no evidence behind. But the way they stood and the clothes they wore told a ...

11 Marras 201923min

Painstaking forensic analysis of a murder victim leads police to a suspect, who turned out to be the same person who made what he thought was an anonymous 911-call.To learn more about how HLN protects...

7 Marras 201923min

Two young women were brutally murdered in Napa, California on Halloween night. The killer left his DNA behind, and a groundbreaking test revealed his race and even the color of his eyes and hair. Tech...

4 Marras 201923min