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The Chinese use fingerprints to mark sculptures and important documents.
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Scientists began using body temperature to determine a person's time of death. This practics began in the late 1800s.
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James Watson discovers DNA in the late 1800s after years of observation.
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Scotland police began comparing bullets to determine if a suspect's gun was the murder weapon or not. This became the first for of Ballistics testing.
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Sir Francis Galton published works about the importance of fingerprints, created a small system of fingerprint classification, identified fingerprint patterns, and determined the odds of people having the same fingerprints are slim. Proving this theory made fingerprints important to forensic science.
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An Austrian doctor, Karl Landsteiner discovers different blood groups, making blood transfusions safe.
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The FBI began using the technique of psychological profiling.
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After many years of close observation, German biochemist Fredrich Miescher discovers that there are different strands of DNA.
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Alec Jeffreys invents the very first DNA test.
