Investigators sift through the ashes of a fire that killed a 40-year-old woman. The fire appeared to have been started by an unattended cigarette. On a closer look, forensic scientists discover the cause was far more complicated.
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A church member gets gunned down after leaving choir practice; investigators have little to go on.
Three seemingly unrelated deaths proved to be serial murders. The killer had been careful. He used poison that had no taste or odor. Fortunately for investigators, it also had a unique chemical signature.
In 1993, worldwide attention focused on a rash of robberies that targeted tourists in Florida.
When a man is gunned down in his own garage, police discover that a wound sustained by the grieving widow may have been self-inflicted. They turn to science to help unravel a twisted tale of lust, greed and deception.
A week after a couple disappears from the beach, police get a mysterious lead from a robbery.
Computers aid the police and FBI in solving a string of crimes in St. Louis.
Aspiring model's death points to her boyfriend who is soon cleared.
A young, attractive hairdresser was sexually assaulted and murdered in her own beauty salon.
Florida police search for a serial killer who left small red fibers on each of his 10 victims.
A man states that a robber shot his wife, but a song he downloaded makes investigators suspicious.
In an affluent suburb of Philadelphia, police were called to the scene of what appeared to be an accidental drowning. The investigation gradually focused on one person, a suspect who had more than a million reasons to want the victim dead.
A mother and her two young daughters are found brutally murdered and sexually violated.
In 1993, the Amtrak Railroad experienced the deadliest train crash in United States history.
Detectives use a forged signature to find a woman's abductor.
Investigators search for the person responsible for killing justice officials with mail bombs.
Investigators use the recollections of a child to determine what happened to a missing woman.
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.
The crime scene was especially violent: A husband and wife had been shot to death in their bedroom.
When a popular disc jockey was found murdered in a community garden, police swung into action. A sniffer dog and a blood spatter expert led police to the killer, and he'd been much closer than they realized.
Pathologist examining death of politician running for re-election finds puncture wounds at autopsy.
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