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Argentinean police officer, is the first to use fingerprints as evidence in a murder investigation.
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Galton-Henry system of fingerprint identification officially used by Scotland Yard, and is the most widely used fingerprinting method to date.
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NY state prison system implemented fingerprint identification.
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First school of forensic science founded by Rodolphe Archibald Reiss, in Switzerland.
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First fingerprint reader installed at the FBI
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Fingerprints first used to determine identity. Arabic merchants would take a debtor's fingerprint and attach it to the bill.
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First forensic science manual published by the Chinese. This was the first known record of medical knowledge being used to solve criminal cases.
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First pathology reports published.
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First recorded instance of physical matching of evidence leading to a murder conviction (John Toms, England). Evidence was a torn edge of newspaper in a pistol that matched newspaper in his pocket.
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German chemist Valentin Ross developed a method of detecting arsenic in a victim's stomach, thus advancing the investigation of poison deaths.
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Clothing and shoes of a farm laborer were examined and found to match evidence of a nearby murder scene, where a young woman was found drowned in a shallow pool.
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James Marsh, an English chemist, uses chemical processes to determine arsenic as the cause of death in a murder trial.
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San Francisco uses photography for criminal identification, the first city in the US to do so.
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Henry Faulds and William James Herschel publish a paper describing the uniqueness of fingerprints. Francis Galton, a scientist, adapted their findings for the court. Galton's system identified the following patterns: plain arch, tented arch, simple loop, central pocket loop, double loop, lateral pocket loop, plain whorl, and accidental.
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Coroner's act established that coroners' were to determine the causes of sudden, violent, and unnatural deaths. Arthur Conan Doyle also publishes the first Sherlock Holmes story.
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First police crime lab established in Los Angeles.
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Invented by John Larson in 1921.
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sound spectrograph discovered to be able to record voices.
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Technology developed at Aerospace Corporation in the US to detect gunshot residue, which can link a suspect to a crime scene.
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Britain's Forensic Science Service develops online footwear coding and detection system.