In Pennsylvania, a passerby finds the torso of a woman in a cardboard box. Investigators rely on insect activity analysis by a forensic entomologist to determine when the murder victim was killed.
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Forensics contradicts a husband's confession to his wife's murder.
Lack of evidence compels investigators to look beyond the obvious when a woman is beaten to death.
A man denies killing a pedestrian in a hit-and-run, claiming he sold the car in question.
A serial killer taunts police by strangling prostitutes and leaving their bodies in plain sight.
When evidence shows a woman's rape and murder, police must find the killer as well as the victim.
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.
Ten years after the murder of a rock singer, scientists use evidence to bring her killer to justice.
A mother's suicide is not convincing when an attempt on her life three years prior is discovered.
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.
Who put a bomb in the home of a 29-year-old woman and killed her?
Computers aid the police and FBI in solving a string of crimes in St. Louis.
A mother of two vanishes after a shopping trip. Her body is discovered a month later. Witnesses say they saw the victim being forced into a car by an unknown person.
The 1987 disappearance of Houston resident Tracy Jo Shine is recalled. The investigation went cold until 2000, when a "cold case squad" learned that the woman's ex-boyfriend, Michael Neal, had bragged about killing her.
Police are stumped in hunting a serial killer in 1957 until new technology help solve the crimes.
A man tells police he shot an intruder who had attacked and murdered his wife. The husband paints a tragic picture and is dubbed a hero. Four years later, forensic evidence leads police to reexamine the motives of this so-called hero.
A suspect is profiled in the disappearance of a 6-year-old girl during a church service.
Just weeks before a witness is to testify against the man accused of sexually assaulting her, she is murdered in the front yard of her own home. Investigators immediately suspect her attacker, but they don't have enough evidence to prove his guilt.
The crime scene was especially violent: A husband and wife had been shot to death in their bedroom.
Investigators solve the 1988 murder of a drifter by examining a species of fly found near the body.
A decomposed body is found in a barrel, and a dilapidated address book may hold the answer.
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