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Julius Caeser was the first person to have an autopsy preformed on him after his assassination.
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It was determined by law that only medical experts could determine the cause of death due to a crime.
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Medical examiners began using fingerprints to determine the identity of the body being examined.
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The Chinese published the first forensic science manual. This was the first time medical information was used in criminal cases.
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Physical evidence was first recorded in a crime scene leading to the discovering of a murderer.
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Investigators began using blood for identification.
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The first forensic school was created by Rodolphe Archibald Reiss in Switzerland.
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The sound spectrograph was invented and able to record voices. This could be turned into evidence for a crime investigation.
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DNA is now being used for identification.
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Facial sketches are now being used with software that automatically matches facial sketches through a mug shot database.