Two different men telephoned 911 to report a woman had been murdered; neither knew the other had called. Examination of bloodstains, a discarded candy wrapper, and a few tiny seeds enabled forensic scientists to determine who committed the crime.

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An aspiring model turned up dead, and the prime suspect was her boyfriend. When he was eventually cleared, investigators had to dig deeper to find the perpetrator. With the help of a forensic geologist, they identified the most unlikely suspects.

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For seven years, a trio of men robbed one bank after another. They always got away before the police arrived, and they left no evidence behind. But the way they stood and the clothes they wore told a story... a story that could be read by forensic scientists.

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Painstaking forensic analysis of a murder victim leads police to a suspect, who turned out to be the same person who made what he thought was an anonymous 911-call.

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Two young women were brutally murdered in Napa, California on Halloween night. The killer left his DNA behind, and a groundbreaking test revealed his race and even the color of his eyes and hair. Technology was able to tell investigators what he looked like... now all they had to do was find him.

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A woman's body was found on a deserted road outside of San Antonio. After years, the victim's family hired a private investigator who finds her personal diary and uses its entries to find the perpetrator.

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A heart surgeon is found dead in his home. Police assume suicide, but further investigation reveals his new wife was out for money.

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It appeared the victim had accidentally fallen and hit her head at the bottom of the stairs. But the odd position of her shows and the absence of blood splatter led police to suspect the scene had been stage... and Luminol proved they were right.

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A woman who survived a deadly childhood fire sends police a letter charging her father killed her mother 30 years ago.

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A federal agency ruled a fire that killed a child intentionally set, charging the mother with murder. Were government officials wrong?

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