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A Greek Physician developed the lie detector test after noticing how blood pressure changes when lying or telling the truth.
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In China around 300 C.E. handprints were used to identify people who were punished for stealilng.
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Autopsies were officially used and conducted in the late 1500's.
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In the 1800's, time of death could be found by using body temperature.
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First formation of a private investative agency.
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The Metropolitan Police Service conduted bullet analysis around the year 1850.
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In India and in 1858 was the first modern use of fingerprints for criminal investigation.
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Boston investigating deaths by medical examiners led to pathological investigations for violent crimes.
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In 1923 located in Los Angeles, August Vollmer established the first forensic lab.
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In 1965 the FBI developed the National Crime Information Center for data on wanted people and stolen things
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In 1968 was the creation of the Bureau of Narcotics and Drugs, later known as the DEA.
