Mathieu Orfila published a treatise on poisons.
Henry Goddard used bullet comparisons to apprehend a murderer. Henry Faulds discovered that powders could make fingerprints visible. Francis Galton published his book, Fingerprints. Hans Gross wrote a treatise on criminal investigation. Karl Landsteiner discovered four basic blood groups. Oskar and Rudolf Adler developed a presumptive test for blood based on benzidine. Edmond Locard established a police laboratory in Lyons, France. International Association for Criminal Identification established in Oakland, California. John Larson and Leonard Keeler designed a portable polygraph. Kensington pocket mouse 72214 manual portable# Calvin Goddard helped invent a comparison microscope. Crime laboratory established for the Division of Investigation (later the Federal Bureau of Investigation, or FBI).
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