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Chinese used fingerprints to establish identity of documents and clay sculptures.
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Erasistratus was an ancient greek physician who observed that his patient's pulse rate increase when they tell a lie, which was the first lie detection in the early years.
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German Valentin Ross, a chemist, developed a way to detect arsenic in victims' stomach
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Mathieu Joseph Bonaventure Orfilia was a Minorcan-born french toxicologist and chemist. He created new techniques in clearing up the accuracy of poisons.
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Clothing was used to find a murder of a girl that had drowned in a pool.
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James Marsh used a chemical process to determine the cause of death in a murder trial.
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The first city in the United States to use photography for criminal identification was San Francisco from 1854 to 1859
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Henry Foulds found that all fingerprints were unique. Francis Galton, a scientist, adapted their finding for court.
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Coroners act was established to determine the cause of sudden, violent, and unnatural deaths.
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Juan Vucetich was the first to use and create a system for fingerprinting.
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Karl Landsteiner discovered human graphing and adopted use on blood traits by Detuv Max Richter
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New York state prison system imprinted fingerprints and identificated them
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Rodolphe Archibald Reiss founded the first school for forensic science in Switzerland.
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Los Angeles police crime lab was the first of many in the United States.
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James Watson and Francis Crick published in landmark paper identifying the structure of DNA.