FINGERPRINTS. Chapter 3. History. The first systematic attempt at personal identification was devised by a French police expert, Alphonse Bertillion .
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
1. a fingerprint is an individual characteristic because no two fingers have yet been found to possess identical ridge characteristics
2. a fingerprint will remain unchanged during an individual’s lifetime
3. fingerprints have general ridge patterns that permit them to be systematically classified
You may have only one pattern, combination of two or all three present on your fingers.
In each fingerprint you have ridges that form specific shapes.
An arch has friction ridges that enter on one side of the finger and cross to the other side while rising upward in the middle. They do NOT have type lines, deltas, or cores.
Minutiae—characteristics of ridge patterns
Level 1: Pattern Type
Level 2: Ridge path/detail
Level 3: Ridge Shapes and pore location