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Fingerprints are used on clay tablets.
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Being able to prove the crown was not made of gold using density and buoyancy.
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Erasistratus, an ancient Greek physician, discovers that his patients’ pulse rates increase when they are telling lies. Allegedly the first lie detection test
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A murder was committed using a sickle. All those in the village who owned a sickle were made to bring them out and lay them in the sun. This then leading to ruling out a particular sickle used in the crime.
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Bartolomeo da Varignana performed one of the first medicolegal autopsies in the case of a suspected murder of a nobleman.
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Missing teeth of the French Duke of Burgundy are used to identify remains.
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John Toms of Lancaster, England is convicted of murder on the basis of a torn wad of paper found in a pistol matching a remaining piece in his pocket. One of the first documented uses of physical matching
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The comparison was based in a visible flaw in the bullet, traced back to a mold.
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H. Baynard publishes the first reliable procedures for the microscopic detection of sperm.
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Since death from fall in body temperature, introducing many current concepts.
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First advocation of the use of photography for the identification of criminals and the documentation of evidence and crime scenes.
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The FBI crime lab is created.
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De Saram publishes measurements of temperature I cases obtained from executed prisoners. The papers are considered landmarks in determination of time since death from body cooling.
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Harrison and Gilroy introduce a qualitative colorimetric chemical test to detect the presence of barium, antimony and lead on the hands of individuals who fired a firearm.
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American geneticists discover a region of DNA that does not hold any genetic information and is extremely variable between individuals. Starting our path on dna recognition.