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12 Cards in this Set
- Front
- Back
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1684
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Earliest study of patterns on human hands
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Jan Purkyn
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Described nine distinct fingerprint patterns including, loops, spirals, circles, and double whorls
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Ivan Vucetich
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improved fingerprint collection and began printing all ten fingerprints
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Fingerprints
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an impression left on any surface that consists of patterns
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Formation of Fingerprints
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*10th week of pregnancy
*basal layer of skin |
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Two things a forensic examiner looks for on a fingerprint
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cores and deltas
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Minutia
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unique ridge patterns
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Latent
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*hidden prints
*caused by transfer of oils and other body secretions onto surface *dust smooth surface with powder *use chemicals for surfaces not smooth |
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John Dillinger
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Public Enemy #1 in 1930s tried to alter fingerprints but ended up making them more unique
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IAFIS
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Integrated Automated Fingerprint Identification System (digital automated fingerprint searches)
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Patent
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visible fingerprints caused from blood, ink, some other substance transfered to surface
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Plastic
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3D fingerprint made in soft material such as clay or soap
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