
Forensic Files
Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon to trace it to its owner.

Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon to trace it to its owner.

In 1981, an 86-year-old California woman was murdered, and her house was ransacked. The crime would remain unsolved for sixteen years, until DNA profiling and new fingerprint technology helped identify the killer.

In 1981, an 86-year-old California woman was murdered, and her house was ransacked. The crime would remain unsolved for sixteen years, until DNA profiling and new fingerprint technology helped identify the killer.

In 1981, an 86-year-old California woman was murdered, and her house was ransacked. The crime would remain unsolved for sixteen years, until DNA profiling and new fingerprint technology helped identify the killer.

Janet Overton died suspiciously in 1988, and the investigation hit a dead end when the autopsy indicated no foul play was involved. A telephone tip and the sensitive nose of a forensic examiner indicated otherwise.

Janet Overton died suspiciously in 1988, and the investigation hit a dead end when the autopsy indicated no foul play was involved. A telephone tip and the sensitive nose of a forensic examiner indicated otherwise.

Janet Overton died suspiciously in 1988, and the investigation hit a dead end when the autopsy indicated no foul play was involved. A telephone tip and the sensitive nose of a forensic examiner indicated otherwise.

A phone number helps police to find an abductor.

A phone number helps police to find an abductor.

A phone number helps police to find an abductor.

A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

A random serial sniper is plaguing Virginia and Maryland, with no profile of their victims.

A random serial sniper is plaguing Virginia and Maryland, with no profile of their victims.

A random serial sniper is plaguing Virginia and Maryland, with no profile of their victims.

A man's body is discovered a few miles from his home.

A man's body is discovered a few miles from his home.

A man's body is discovered a few miles from his home.

Phone mapping, wiretapping and other forensic evidence help to solve a complicated crime.