Forensic Files

A 1986 case of sexual assault and serial murder marked the first time DNA was used as evidence in a court of law. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Three seemingly unrelated deaths proved to be serial murders. The killer had been careful; he used poison which has no taste or odor. Fortunately for investigators, it also had a unique chemical signature.   To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

A twelve-year-old girl claimed she had been abducted and sexually assaulted. She recounted what happened in such a flat, unemotional voice that police found it difficult to believe her. Fibers on her clothing would prove she was telling the truth, and help police to find her attacker. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Two suspects living in the same apartment were linked to a murder by a gun and a pair of bloodstained boots – items that belonged to the one who claimed he'd never even met the victim. Investigators hoped the manufacturing code stamped on six beer bottles would be distinctive enough to prove who was telling the truth, and who was a cold-blooded killer. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

It's usually easy to determine how a criminal entered the crime scene. But in this case, it was far from clear. It looked like the killer vanished into thin air...and perhaps he had. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Early one morning, a woman went missing on her way to work. A strand of hair in her hairbrush led investigators to unravel the mystery. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Twenty-four years after the death of a 15-year-old in California, forensic scientists discover enough microscopic evidence to finally bring the killer to justice. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

The media dubbed him the “Last Call Killer” because he targeted men in gay bars who were obviously intoxicated. His MO involved dismembering the bodies and wrapping the parts in plastic bags, which he then carefully washed to remove all incriminating evidence. He eluded capture for almost ten years... and then new technology revealed fingerprints no one knew were there. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Bruce Miller was shot to death in the office of the business he owned. When a computer expert examined the computers owned by the victim’s wife and by her lover, he found the evidence needed to convict the person responsible for the crime. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

A serial killer in Arlington, Va., leaves the same clues behind at each crime scene. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

A young mother is murdered after years of domestic abuse. There are clues at the scene: bloody footprints and DNA from the victim’s rape kit. But the evidence which will conclusively tie the killer to the crime is on a freshly baked hamburger bun.  To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

One warm summer afternoon, the town of Verona, Wisconsin, faced its first triple homicide. To solve the case, investigators had to delve into the world of high rollers and offshore betting. With the help of forensics, they were able to bring down a killer who gambled, and lost. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

A little girl disappears from a Christmas party. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

Women in a small Louisiana city live in fear of a rapist who leaves no clues to his identity. But computer technology and behavioral science combine to give police a new forensic tool: geographical profiling. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

When a woman is found murdered in a bar. Investigators believe the best evidence is the bite mark found on the victim. A postman is convicted of murder, but he maintains his innocence. Ten years later, improved technology yields new information. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices