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The first use of fingerprints was by the Chinese on sculptures, to mark documents, and to have a system of classification.
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Hsi Duan Yu was a book written to describe the affects drowning vs. strangulation to the corpse.
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Scientists started to use the deceased's body temperature in order to try and determine time of death.
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The first book written about Forensic Toxicology was written by a Spanish chemist and physician who is known as the “Father of Toxicology”. His name was Mathieu Orfila and his book was “Traite Des Poisons”.
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Henry Goddard applied ballistic fingerprinting to link a bullet recovered from the victim to the murderer.
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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 founded that people have different fingerprints.
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Karl Landsteiner, an Austrian Doctor, began separating the blood groups, allowing for the identification of blood possible and making blood transfusions safe.
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A was a medical student at University of California at Berkeley named John Augustus Larson made the Portable polygraph machine.
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The FBI started using psychological profiling.
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In 1986 Sir Alec Jeffreys had discovered the first technique for DNA profiling which have expanded on to have the technology we use today. In 1987 Tommie Lee Andrews was the first person to be convicted guilty with the use of DNA profiling.
