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Unit 4: Fingerprints

Unit 4: Fingerprints. 4.4 Fingerprint Characteristics. Ridge Characteristics. Minutiae — characteristics of ridge patterns. Ridge ending Short ridge Dot or fragment Bifurcation Double bifurcation Trifurcation Bridge Island Enclosure Spur. Comparison.

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Unit 4: Fingerprints

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  1. Unit 4: Fingerprints 4.4 Fingerprint Characteristics

  2. Ridge Characteristics Minutiae—characteristics of ridge patterns • Ridge ending • Short ridge • Dot or fragment • Bifurcation • Double bifurcation • Trifurcation • Bridge • Island • Enclosure • Spur Kendall/Hunt Publishing Company

  3. Comparison There are no legal requirements in the United States on the number of points. Generally, criminal courts will accept 8 to 12 points of similarity. Kendall/Hunt Publishing Company

  4. Find 10 unique minutae for each print.

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