Forensic Files

A fire investigator determines if a kerosene heater is the cause of a fire that killed one person, or if it was murder.

California police in 1957 search for a murderer, but the case goes cold; 50 years after a crime is committed, advances in computer technology determine the killer.

Investigators piece together tiny clues at the scene of a hit-and-run accident; their findings help to track down the offending driver.

Investigators determine what caused a house fire that killed an elderly couple and whether the victims' son is responsible.

Detectives are suspicious after a woman is killed in a hunting accident, but it takes more than twenty years before a trace evidence analyst is able to match fibers on a soiled blanket to the killer.

When hunters find a skull in a Texas canyon, police find bits of clothing, a woman's shoe, some small bones and a strand of hair; once they discover her identity, it was time to find the killer.

A wife is missing in Key West; investigators wonder if they should be searching for a missing person or a killer.

Suicide notes and a pistol in hand lead police to suspect that a mother of two young children appeared to have killed herself, but when investigators learned of a house fire she was in three years earlier, they reinvestigated.

The violent death of an Air Force officer's wife outside a Philippines air base is examined, amid accusations of a love triangle involving the murdered woman's husband; investigators use groundbreaking computer forensics to make their case.

Pieces of plastic the size of sand hold clues to a bombing.

At first glance it appears a young woman suffocated, but further investigation shows the scene was staged.

A killer is careless when a home is destroyed by fire and a young boy is missing.

A patrol officer is shocked by the amount of blood at a traffic accident and is shocked by the coroner's ruling until an anonymous phone call re-ignites the case.

The decomposed body of a young woman was discovered in a Bakersfield irrigation canal. If there was trace evidence, it had been washed away.

A behavioral profile caused the Baton Rouge Police Department to search for the wrong man. They might not have made an arrest had it not been for a DNA picture of the suspect painted by a molecular biologist.

An obstetrician returned home from the hospital and found his wife on the bathroom floor. She was covered with blood and not breathing. He tried unsuccessfully to revive her, staining his clothes with her blood in the process, and then he called 911.

A Modesto, California, teenager went missing. There was no sign of a struggle in her home, and police suspected she'd simply run away until her naked, bruised body was discovered in a ditch 20 miles away.

When police recovered the submerged car of a man reported missing, they expected to find his body. But it wasn't there. The investigation that followed would uncover an obsession turned deadly and the motive for murder.

Emergency dispatch received a call from a man who said his girlfriend shot and killed herself. The autopsy revealed that the gunshot wound was not self-inflicted, and the evidence on her body would give police a golden opportunity to catch killer.

A Native American woman was brutally killed in the desert of New Mexico, and the crime scene was rich in forensic evidence: tire tracks, shoe impressions, and even the murder weapons.

A brilliant young architect became ill and died just before she was to testify in a criminal trial. The autopsy revealed she'd been poisoned with arsenic. Investigators had to determine which person who knew her had a motive for murder.

An employee of a dry cleaner was raped and murdered in the store. Police turned to forensic science for the answers they needed.

The murder of an eccentric millionaire was not entirely unexpected. He flaunted his wealth and cared little for personal security. The evidence at the crime scene seemed to indicate robbery, but investigators wondered if there was something more.

When a young woman disappeared, police feared she was the latest victim in a string of similar crimes. A pair of bloody gloves, unique tire tracks, and ordinary grass and pine needles provided investigators with some extraordinary clues.