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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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In 44BC following the assassination of Julius Caesar the attending physician proclaimed that of the 23 wounds found on the body ‘only one’ was fatal.
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In 1247 the first textbook on forensic medicine is published in China which among others things documents the procedures to be followed when investigating a suspicious death.
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The first pathology reports were published.
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The first pathology reports were published in the 1600s.
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First recorded of physical matching of evidence leading to a murder conviction. The evidence that was found 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 resulting advancing the investigation of poison deaths.
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San Francisco uses photography for criminal identification, the first city in the US to do so.
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Juan Vucetich, an 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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The NY state prison system implemented fingerprint identification.
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The first school of forensic science founded by Rodolphe Archibald Reiss, in Switzerland.
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Victor Balthazard and Marcelle Lambert publish first study on hair, including microscopic studies from most animals. First legal case ever involving hair also took place following this study.
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The first police crime lab established in Los Angeles, California.
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Voiceprints began to be used in investigations and as court evidence from recordings of phones, answering machines, or tape recorders.
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The FBI established the National Crime Information Center, a computerized national filing system on wanted people, stolen vehicles, and weapons.
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The first fingerprint reader is installed at the FBI.