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Forensic Science - Fingerprints

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by

Jackie Benfield

on 6 September 2013

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Transcript of Forensic Science - Fingerprints

Forensic Science - Fingerprints
Left Hand
Left Little/Pinky Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Left Middle Finger
This fingerprint is classified as an arch because it has ridges that enter from one side of the finger and cross to the other side while rising upward in the middle. It is also evident that it does not have a type line, a delta, or a core. This is, specifically, a tented arch because it has a spike or a 'tent' in the center.
Left Index Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Left Thumb
This fingerprint is classified as an arch because it has ridges that enter from one side of the finger and cross to the other side while rising upward in the middle. It is also evident that it does not have a type line, a delta, or a core. This is, specifically, a plain arch because it does not have a spike/tent in the center.
Right Thumb
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Right Little/Pinky Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Right Ring Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Right Middle Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Right Index Finger
This fingerprint is classified as a loop because the ridges enter from one side, re-curve and exit on the same side they entered. It is also evident that there is 1 delta, where 3 different fingerprints meet. More specifically, it is an ulnar loop because the loop opens toward the ulna bone (or towards the little/pinky finger).
Left Ring Finger
Right Hand
Lifted Latent Print Comparison
Key:
Blue circles - bifurcation (fork)
Purple circles - island
Red circles - ridge (line) endings
Yellow circles - Allows you to see that the fingerprint is classified as a tented arch
By: Jackie Benfield
Full transcript