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Reading Fingerprints

Reading Fingerprints. bsapp.com. Reading Prints. The key to reading prints is not to find each and every characteristic in the prints, but to get the trend of patterns. Most prints found at a crime scene are partial prints which rarely contain all deltas and cores.

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Reading Fingerprints

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  1. Reading Fingerprints bsapp.com

  2. Reading Prints • The key to reading prints is not to find each and every characteristic in the prints, but to get the trend of patterns. • Most prints found at a crime scene are partial prints which rarely contain all deltas and cores. • We must learn how to look at the trend of the lines as a whole, rather than individual lines. bsapp.com

  3. Double Loops Contain an “S” shape within the print bsapp.com

  4. bsapp.com

  5. Plain Whorls & Central Pocket Loops • These are the only prints that contain a circle or spiral within the print Plain Whorl CP Loop bsapp.com

  6. Central Pocket Loop Plain Whorl bsapp.com

  7. Plain Whorl or Central Pocket Loop • A Plain Whorl has symmetry-core in the center, deltas near the bottom of the print bsapp.com

  8. Plain Whorl or Central Pocket Loop One of the deltas on a CPL will be twisted and closer to the core (no symmetry) bsapp.com

  9. Loops • These prints have some lines that enter at one side, turn, and then exit the same side bsapp.com

  10. Ulnar Loop bsapp.com

  11. Radial Loop bsapp.com

  12. Arches • All lines enter at one side of the print and exit the other bsapp.com

  13. bsapp.com

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