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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Scientific evidence casts new light on a 10-year-old disappearance.
When a young girl is found dead, her parents tell the police that dogs attacked and killed her.
A doctor is accused of sedating and sexually assaulting two female patients.
The body of a female prison guard is discovered at a landfill.
A serial arsonist terrorizes Washington, DC, using the same incendiary device each time. Forensic experts must read the ashes to track the killer.
A look back at the case of the "River Park Rapist," who assaulted four women in South Bend, Indiana, in 1996. Law enforcement officers arrested Richard Alexander, who was convicted in 1998 and sentenced to 70 years in prison.
Detectives use a forged signature to find a woman's abductor.
A man is found strangled and burned, and the killer thinks he has destroyed all the evidence.
The killer hoped to cover their tracks by staging the crime scene, but failed.
Mark Fair left for work, and his fiancée, Karla Brown, stayed home. Later, he found her dead.
Forensic scientists work with the only clue recovered from a multiple-victim shooting: a 12-gauge shotgun. Scientists use unique methods to lift the serial number from the weapon to trace it to its owner.
In 1988, a patient died unexpectedly in the office of California neurologist Richard Boggs.
The wife of a murdered horse rancher explains that the last time she saw her husband was when he was leaving the house to go jogging. Police become suspicious when forensic evidence eventually leads investigators back to the ranch.
A brilliant young architect became ill and died just before she was to testify in a criminal trial.
A college student was found dead, and the evidence suggested he knew his killer. Three hairs and some microscopic cells helped police unravel a web of lies and find the motive for murder.
A serial arsonist starts several fires that cause millions of dollars worth of damage and the deaths of three people. He is discovered partly through the use of forensic hypnosis.
In 1999, a 12-year-old was found murdered in her home, and it changed the feeling of security residents had in the small town of Waseca, Minnesota. Despite a meticulous search of the home and an exhaustive investigation, police had no suspects.
On May 12, 1994, Crystal Perry was viciously murdered in her home in Bridgton, Maine.
Psychic leads volunteers and police to a field where the body of a missing girl is found.
When a businessman is murdered, the motive may be a disgruntled employee, client, or racy photos.
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