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19 Cards in this Set
- Front
- Back
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ALPHONSE BERTILLION
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created the first systematic attempt at personal identification in 1883
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FRANCIS GALTON
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published the textbook entitled "Finger Prints". Discussed the anatomy and suggested methods of recording them. Showed that no two prints are the same.
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DR. JUAN VUCETICH
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created a classification system that is still used in Spanish speaking countries.
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SIR EDWARD HENRY
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devised another classification system used in most English speaking countries.
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UNITED STATES vs. BYRON C. MITCHELL
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defendant's attorney argued that fingerprints cannot be proven unique. Judge said: human friction ridges are unique and permanent and that human friction ridge skin arrangements are also unique and permanent.
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FINGERPRINTS
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a reproduction of friction skin ridges found on the palm side of the fingers and thumbs.
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FINGERPRINT PRINCIPLES
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1. a fingerprint is an individual characteristic because no two are alike.
2. a fingerprint will remain unchanged during a person's lifetime. 3. fingerprints have general ridge patterns that permit them to be classified. |
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MINUTIAE
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ridge characteristics of fingerprints
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COMMON RIDGE CHARACTERISTICS
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ridge ending, bifurcation, and ridge island
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FRICTION SKIN GLANDS
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FINGERPRINT CLASSES
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loops, arches, and whorls (L.A.W)
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LOOP FINGERPRINT
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must have one or more ridges entering from one side of the print.
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ARCH FINGERPRINT
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arches do not have type lines, deltas, or cores.
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WHORL FINGERPRINT
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all whorl patterns have type lines and a minimum of two deltas.
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AFIS
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digitally encodes, classifies, and retrieves fingerprints
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VISIBLE PRINTS
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created when fingers touch a surface after the ridges have been in contact with a colored material.
Examples: blood, paint, or grease |
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PLASTIC PRINTS
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ridge impressions that are left on a soft material.
Examples: putty, wax, or soap. |
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LATENT PRINTS
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when a finger touches a surface and body oils from the finger are transferred to that surface.
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RUVIS
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aids in detecting latent fingerprints without chemicals or powder using ultraviolet light.
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