
Forensic Files
Who was the sexual offender who murdered two boys in Nebraska? The key to stopping him would be the unique composition of the "junk rope" he used to tie his victims.

Who was the sexual offender who murdered two boys in Nebraska? The key to stopping him would be the unique composition of the "junk rope" he used to tie his victims.

When a serial killer was terrorizing the city of St. Louis, the FBI didn't need lab tests, fingerprints or any of the usual methods. All they needed was a computer.

A mother of two young children was found dead in her bedroom. Her death was ruled a suicide - but when investigators learned she had almost died in a house fire three years earlier, they decided to take another look at the evidence.

In 1995, police in San Diego, California are baffled by a pair of hands found in a dumpster. Through further investigation, they determine that the hands are those of missing person Don Hardin.

An infant was rushed to the emergency room with serious breathing problems. Within months, there were more than 30 cases. Doctors searched frantically for the cause and a cure.

When a talented television news anchor is shot to death outside her home, it appears to be a crime of passion perpetrated by an obsessed fan.

After inspecting storm damage to a home in Tampa, an insurance assessor simply disappeared. Thirty hours later, her body was found in a nearby river. But the killer had been careless.

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.

A murder investigation in Florida crosses jurisdictions from New York and Jamaica. The police rely on cell phone mapping, wiretapping and a host of forensic evidence to link a suspect to a murder.

A California teen went missing. Police suspected she'd run away until her body was discovered in a ditch.

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

In 1992, 22-year-old Dawn Bruce is brutally murdered in her Virginia apartment. Investigators notice a blood smear on a pillowcase that appears to have been made by one of the killer's fingers.

A car carrying three men pulls up alongside another on an Alaskan highway and fires shots, leaving a passenger dead. One of the passengers in the killer's car agrees to testify against his friends. The resulting trials don't end the carnage.

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

A man tells police he shot an intruder who killed his wife. Forensic evidence disproves that story later on.

Authorities track a kidnapper who let his victim write a last will and informed the family of her murder.

Three homicides on two continents looked like professional executions. Investigators on both sides of the Atlantic needed to find out if they were related and, if they were, who or what they had in common.

A woman was reported missing after a fight with her husband. Police were suspicious of a suspect who reported a fire in his car. Two tiny drops of blood were found in the interior. A tiny clue inside the suspect's watchband helped solve the case.

In 1988, the body of a young woman was discovered in an Ohio river. Most of the evidence had been washed away, but the victim's 6-year-old son unwittingly told investigators all they needed to know - without saying a word. The clue was in his genes.

For more than a year, hateful letters were sent to a school teacher in Pennsylvania. DNA analysis would eventually help seal the perpetrator's fate.