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Fingerprints

Fingerprints. bsapp.com. bsapp.com. Principles of Fingerprints. First Principle: A fingerprint is an individual characteristic; no two fingers have yet been found to posses identical ridge characteristics. bsapp.com. Principles of Fingerprints.

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Fingerprints

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  1. Fingerprints bsapp.com

  2. bsapp.com

  3. Principles of Fingerprints First Principle: A fingerprint is an individual characteristic; no two fingers have yet been found to posses identical ridge characteristics. bsapp.com

  4. Principles of Fingerprints Second Principle: A fingerprint will remain unchanged during an individual's lifetime. bsapp.com

  5. John Dillinger bsapp.com

  6. Principles of Fingerprints Third Principle: Fingerprints have general ridge patterns that permit them to be systematically classified. bsapp.com

  7. Three Main Types of Prints • Loops • Whorls • Arches bsapp.com

  8. Deltas & Cores bsapp.com

  9. Loops • A loop must have one or more ridges that enter from one side of the print, re-curve, and exit from the same side • One Delta & One Core bsapp.com

  10. bsapp.com

  11. bsapp.com

  12. bsapp.com

  13. Whorls • One or more cores • At least two deltas bsapp.com bsapp.com

  14. bsapp.com

  15. bsapp.com

  16. bsapp.com

  17. Arches • An arch is formed by ridges entering from one side of the print, rising slightly and exiting on the opposite side. • No Deltas & No Cores bsapp.com

  18. bsapp.com

  19. bsapp.com

  20. bsapp.com

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