A killer tried to incinerate and destroy everything that could link him to his crime. But in doing so, he inadvertently created new forensic evidence, evidence which came to light with a technique never before used in a criminal investigation.
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When an off-duty policeman was shot dead, his fellow officers were determined to solve the crime. They needed clues to find the killer and they discovered them in tiny fibres and an asthma inhaler.
Bombings are difficult to solve, because the perpetrator isn't usually at the scene, and the evidence goes up in smoke. In this case pieces of plastic the size of grains of sand hold the key to a man's murder.
In 1981, six-year-old Cassie Hansen disappeared from her St. Paul, Minnesota church during an evening service.
A California teen went missing. Police suspected she'd run away until her body was discovered in a ditch.
In 1989, 4-year-old April Loveless was found dead in the backyard of her Texas home. Her mother Debbie Loveless and stepfather John Miller told police that she was attacked and killed by the family dogs. Investigators did not agree.
In 2002, the eyes of the world were on Virginia and Maryland. A serial sniper was on the loose, killing innocent, unsuspecting citizens. Just how was he caught?
In 1996, Virginia Beach police arrive at the Makdessi apartment to find Elise Makdessi and her lover dead.
A killer tried to incinerate and destroy everything that could link him to his crime. But in doing so, he inadvertently created new forensic evidence, evidence which came to light with a technique never before used in a criminal investigation.
A young woman attends evening church services... then disappears. When her abandoned car is found, the tank is empty and a gas can she kept in her trunk for emergencies is missing.
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.
While at a real estate conference in St. Louis, a man finds his wife drowned in the bathtub in their hotel room.
In 1971, John List left a note with the bodies of his family members in his mansion before he disappeared.
A beverage company pleads guilty to violating federal safety laws when a baby dies from E. coli after drinking apple juice.
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.
An investigation into the murder of a World War II veteran slowed to a halt when the prime suspect had a solid alibi. But a lucky break led to a shady character who wore distinctive boots.
James Kenneth Elmen Jr. abducted Julie Estes, then 21, from the Southside convenience store where she worked in 1985.
In 2003, Tiffany Rowell and three of her friends were brutally murdered in affluent Clear Lake, Texas.
A drive-by shooting leaves one man dead and another seriously wounded. Cell phone calls and shell casings point to a suspect, but authorities are unable to place him at the crime scene.
Dianna Green was brutally attacked in her own home and her unborn child was killed. After coming out of a coma and regaining her memory, she is able to identify her husband as the perpetrator.
A bomb, constructed to cause as much damage as possible, kills a victim with deadly force and flame. When a search yields some tiny clues, police are able to identify the killer.
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