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There was a stabbing and so they collected all the knives and when flies started getting attracted to one they got the suspect to confess
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The "father of toxicology" because he published a paper on the detection of poisons and their effects on animals
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Used thumbprints on documents to identify workers in India
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"Father of Criminal Identification" Developed Anthropomtry which uses body measurements to identify individuals
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Used fingerprints to eliminate an innocent burglary suspect
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Published his first Sherlock Holmes story, considered the first "CSI" novel
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Conducted the first definitive study of fingerprints and their classification, gave proof of their uniqueness
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Wrote the first paper describing the application of the scientific principles to the field of criminal investigation
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Discovered the ABO blood groups, won a Nobel Prize
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Incorpoarted Gross' principles within a workable crime lab, became the founder and director of the Institute of Criminalistics at the University of Lyons, France
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Developed the fundamental principles of document identification
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Developed a method for determining blood type from dried blood
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Established the first crime lab in the US located in Los Angeles
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Developed a comparison microscope, first to compare bullets to see if fired from the same weapon
