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Forensic scientists began using body temperature to discover what time a person died. This began in the early 1800s.
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James March developed the first arsenic test.
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The first bullet comparison was performed.
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SIr Francis Galton created a small system of fingerprint classification, identified fingerprint patterns, and conducted multiple other works and studies on fingerprints.
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Fingerprint analysis was used on its first case and made a name for itself.
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Fingerprints are accepted by U.S. courts as a reliable means of identification.
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The FBI began using psychological profiling.
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Sir Alec Jeffery, a British geneticist, discovered the technique of DNA testing to determine a genetic “fingerprint.”
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Dutch scientist are able to pull DNA evidence from spent bullet casings.