
Forensic Files
The killer probably hoped to cover his tracks by staging the crime scene. But investigators saw through the attempt almost immediately.

The killer probably hoped to cover his tracks by staging the crime scene. But investigators saw through the attempt almost immediately.

A man was killed in a car crash, but the evidence led investigators to believe it was not an accident.

There was no clear reason for a young, healthy college student to be dead. But when the coroner discovered a tiny clue during the autopsy, investigators were able to uncover a mystery.

In 2001, Ginger Hayes and her infant son Nicholas were abducted during a carjacking and the crime had been reported by a witness within minutes of occurrence.

In 1994, Shannon Melendi disappeared while at Emory University. Her disappearance remained a mystery for ten years, until new scientific testing cast a different light on Colvin "Butch" Hinton.

A young woman is stabbed more than 100 times. The killer leaves DNA behind, but investigators must play a cat-and-mouse game to obtain a suspect's DNA to match.

A driver said he couldn't have hit and killed a pedestrian because his Jeep had been sold months ago.

After the suspect was convicted of murder, he maintained his innocence through his 25 years in prison.

Even though their daughter had run away before, she'd always come back. Her parents were sure this time would be no different, but they were wrong.

A security guard disappeared from his post without a trace his remains were found a year later in a remote camp site.

In 1986, Gary Dale Larson was stabbed to death in his Edmond, Oklahoma home and then the killer sexually assaulted Larson's girlfriend Janet Haynes.

When a hit-and-run accident claimed the life of a high school athlete, everyone in town mourned his passing. Finding the killer was a long shot at best.

A six-year-old girl ran and hid when she saw her grandmother being beaten to death, but the man followed, beat and assaulted her. She said the assailant was her uncle, who was convicted.

In 1993, young mother Tammy Tatum was sexually assaulted and murdered in her Longmont, Colorado apartment.

A brutal murder, lots of suspects and conflicting evidence but the forensics were clear on one thing: The killer knew his victim. And that alone gave investigators a head start.

How did the stalker obtain the security system code for his victim's home? How did he steal her personal photographs? Police needed answers and they found them in the most unlikely of places.

Seattle police had no suspects in the violent murder of post-grunge singer, Mia Zapata. More than a decade passed before the evidence could be used by forensic scientists to identify the killer.

The prime suspect had a criminal record and his driver's license was found at the scene of a brutal double homicide.

Security cameras in a casino tracked a young woman's movements until shortly before she disappeared. She was never seen again.

A murder trail turned cold, until police got a call from a woman whose husband, Gerald Powers, had a criminal past and a fondness for Chevy Berettas.