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When a person in china was stabbed, all of the knives in the village were collected. Flies were attracted to the traces of blood and landed on only one of the knives, causing the suspect to confess.
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Mathieu bridged the tenuous gap between the science of toxicology and a criminal court of law.
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He used thumbprints on documents to identify workers in india
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Father of Criminal identification, he developed Anthropometry which uses body measurements to distinguish individuals.
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Uses fingerprints to eliminate an innocent burglary suspect
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Considered the First CSI
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published fingerprints, conducted the first definitive study of fingerprints.
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Hans Gustav Adolf Gross or Groß was an Austrian criminal jurist and criminologist, the "Founding Father" of criminal profiling. A criminal jurist, Gross made a mark as the creator of the field of criminality. Throughout his life, Hans Gross made significant contributions to the realm of scientific criminology.
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Discovered the ABO blood groups, received the noble peace prize
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Incorporated Gross principles within a workable crime lab; became the founder and director of the institute of criminalistics at the university of Lyons France
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Published questioned documents . Developed the fundamental principles of document examination.
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Developed a technique for finding the blood type of dried blood
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Established the first crime lab in the United States, located in Los Angeles
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Developed a comparison microscope; first used to compare bullets
