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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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Fingerprints first used to determine identity. Arabic merchants would take a debtor's fingerprint and attach it to the bill.
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Julius Caesar is assassinated and a physician performed an autopsy, and determined that of the 23 wounds found on the body, only one was fatal.
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San Francisco uses photography for criminal identification, the first city in the US to do so.
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Argentinean police officer, is the first to use fingerprints as evidence in a murder investigation. He created a system of fingerprint identification, which he termed dactyloscopy.
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Human blood grouping, ABO, discovered by Karl Landsteiner and adapted for use on bloodstains by Dieter Max Richter.
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First fingerprint reader installed at the FBI
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britain's Forensic Science Service develops online footwear coding and detection system. This helps police to identify footwear marks quickly.
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Michigan state university develops software that automatically matches hand-drawn facial sketches to mug shots stored in databases.
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Japanese researchers develop a dental x-ray matching system. This system can automatically match dental x-rays in a database, and makes a positive match in less than 4 seconds.