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PictureKaral Landsteiner first discovers the different human blood groups. Due to his discoveries, he was then awarded the Nobel Prize in 1930.
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Sir Edward Richars Henry forces the adoption of fingerprint identification to replace anthropometry after being appinted head of Scotland.
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Professor R.A. Reiss sets up one of the first academic curricula in forensic science. His forensic photography department eventually grows into the Lausanne Institute of Police Science in Switzerland.
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PictureThe New York State Prison system begins the first systematic use of fingerprints in the U.S for criminal identification.
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VideoOskar and Rudlof Adler develop a presumptive test for vlood based on benzidine. This test either proves that a substance is definelly not blood or that it is most likely blood.
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Locard publishes L'ebquete criminelle et les methodes scientifique, in which there is a passage that may have given rise to the forensic precept that "Every contact leaves a trace".
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PictureGeorg Popp uses geologic evidence in criminal cases for the first time.
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PictureTheodore Roosevelt established the Federal Bureau of Investigation, commonly known as the FBI.
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Marcelle Lambert and Victor Balthazard publish the first comprehensive haor study. This lead to the conviction of Rosella Rousseau and confession the the murder of Germaine Bichon Balthazard.
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PictureVictor Balthazard published the first article addressing individualizing bullet markings.
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PictureLeone Lattes develops the first antibody test for ABO blood type groups. He used this first in casework to resolve a martial dispute.
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Albert Schneider from California fist uses a vacuum to collect evidence.
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PictureJohn Larson and Leonard Keeler designed the portable polygraph.
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Murray Hill initiates the study voiceprint identification. The technique is later refined by L.G. Kersta.
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Max Frei-Sulzer develops the tape lift method of collecting evidence.
