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it has been proven that the Chinese would use fingerprints to show the ownership of clay, documents, and sculptures.
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in 1248 a book was released that showed how to tell the difference between a drowning or strangled victim. This was the first piece of medical knowledge brought into crime.
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the first documented use of physical matching was recorded when police found a edge of a wad of newspaper in a pistol that matched the piece remaining in the killers pocket.
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the first development of tests to use blood testing in forensic cases was ran in the 1800's, although blood testing was not actually used until the late 20th century.
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James Marsh, an English chemist, developed a test to identify the presence of arsenic in tissues, and was the first person to use Toxicology in a jury trial.
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Shortly after the invention of photography, Alphonse Bertillon developed the first system for documenting a crime scene by taking a wide lenses picture of a dead body.
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this is a book by Albert Sherman on techniques in forensic documents examinations.
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Fingerprints are accepted by the US Court to be a reliable source of identification. The first person to be convicted of murder through a fingerprint was Thomas Jennings.
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A dutch physicist named Frits Zernike invented the first interference contrast microscope, which makes almost transparent items easy to see.
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Robert Frank Borkenstein invented the instrument that tests a persons blood alcohol content from a simple breath.
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In 1975, a set of rules that governs the introduction of evidence at civil and criminal federal trials was passed.
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the first time DNA was used to solve a crime and exonerate an innocent suspect.
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In recent years the world has jumped forward with technology, and it has worked its way into CSI, making it faster and more efficient.