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. 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. 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. 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

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

6. Plain Whorl Central Pocket Loop 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 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 These prints have some lines that enter at one side, turn, and then exit the same sidebsapp.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 All lines enter at one side of the print and exit the other bsapp.com

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