Presentation is loading. Please wait.

Presentation is loading. Please wait.

Classification of Fingerprints

Similar presentations


Presentation on theme: "Classification of Fingerprints"— Presentation transcript:

1 15 - 2 Classification of Fingerprints
July 27, 2019 Fingerprints

2 What are Fingerprints? There are basic principles underlying the use of fingerprints in a criminal investigation July 27, 2019 Fingerprints

3 Basic Principles of Fingerprints
A fingerprint is an individual characteristic because no two fingers have yet to be found to process identical ridge characteristics July 27, 2019 Fingerprints

4 Basic Principles of Fingerprints
A fingerprint remains unchanged during an individual’s lifetime July 27, 2019 Fingerprints

5 Basic Principles of Fingerprints
Fingerprints have a general ridge patterns that permit them to be systematically classified July 27, 2019 Fingerprints

6 July 27, 2019 Fingerprints

7 Formation of Fingerprints
All fingerprints are divided into three classes on the basis of the general pattern: July 27, 2019 Fingerprints

8 Formation of Fingerprints
All fingerprints are divided into three classes on the basis of the general pattern: Loops Whirls arches July 27, 2019 Fingerprints

9 Formation of Fingerprints
All fingerprints are divided into three classes on the basis of the general pattern: Loops July 27, 2019 Fingerprints

10 Formation of Fingerprints
All fingerprints are divided into three classes on the basis of the general pattern: Loops Whirls July 27, 2019 Fingerprints

11 Formation of Fingerprints
All fingerprints are divided into three classes on the basis of the general pattern: Loops Whirls Arch July 27, 2019 Fingerprints

12 Formation of Fingerprints
The individuality of the fingerprint is determined not by its general shape or pattern, but by the careful study if it’s ridge characteristics. July 27, 2019 Fingerprints

13 Fingerprint Removal The expert must demonstrate a point by point comparison in order to prove the identity of an individual. July 27, 2019 Fingerprints

14 July 27, 2019 Fingerprints

15 Leaving a Fingerprint When the finger touches the surface, perspiration and oil’s are transferred onto that surface, leaving a fingerprint.  July 27, 2019 Fingerprints

16 Latent Prints Prints deposit in this manner or invisible to the eye and are commonly referred to as latent or invisible prints. Picture of a man who’s toe skin was use to replace is fingertips. Doctor who performed the operation was sentence to prison July 27, 2019 Fingerprints


Download ppt "Classification of Fingerprints"

Similar presentations


Ads by Google