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300
First Forensics, they used clay for fingerprints
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750
First lie detector was created
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1302
First medical autopsy was preformed
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Microscope was invented
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Using bullet comparisons to catch murders
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Using photographic evidence to identify criminals
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Using fingerprints to find the criminal
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First FBI crime lab was built
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Start of use of dental records to identify victims
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Tape lifting evidence to collect evidence
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Breathalyzer test was created
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Start of DNA testing to identify criminals
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Footprints detection