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Finger prints become tool for identification
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Law is made that only medical expert determines the cause of death
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First record of medical knowledge published by the Chinese
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James Marsh uses chemicals to determine arson as a cause o death
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Karl LandSteiner discovers ABO blood grouping
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John Larson invents the prototype polygraph
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Aerospace corporation developes the technology to detect gunshot and other residue
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DNA evidence is considered reliable in criminal justice
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Britain and its Forensic Science Service develops a online footwear coding system