1 / 8

Chapter 4

Chapter 4. Fingerprints. Fingerprints and identity: a brief history. Fingerprints have imparted a sense of identity for hundreds of years. Fingerprints as evidence of identity. Fingerprints are unique Fingerprints don’t change over your lifetime

alvis
Download Presentation

Chapter 4

An Image/Link below is provided (as is) to download presentation 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. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 4 Fingerprints

  2. Fingerprints and identity: a brief history • Fingerprints have imparted a sense of identity for hundreds of years.

  3. Fingerprints as evidence of identity • Fingerprints are unique • Fingerprints don’t change over your lifetime • Fingerprints have sufficient detail to allow them to be classified systematically

  4. Fingerprint classification Loop The loop pattern is the most common in fingerprints. 60%-65%

  5. Whorl • Found in about 30% of fingerprint patterns, the whorl is a rounded or circularly shaped pattern containing two or more deltas.

  6. Arch • The arch pattern has no delta or core and occurs only in about 5% of fingerprint patterns.

  7. Methods of detecting fingerprints • Lights • Dusting • Developers and stains

More Related