Lesson 4

Question 1

Do fingerprints change?

Answer 1

• Will remain unchanged for the LIFE of a person
• Can change due to PERMANENT scars and SKIN DISEASES

Question 2

What type of evd. are fingerpringts?

Answer 2

Class and Individual

Question 3

3 classes of fingerprints

Answer 3

arches loops and whorls (class evd.)

Question 4

Arch

Answer 4

• Plain arch
• Tented arch

Question 5

Loop

Answer 5

• Radial Loop
• Ulnar Loop

Question 6

Whorl

Answer 6

• Plain Whorl
• Central Pocket Whorl
• Double Loop Whorl
• Accidental (LMAO)

Question 7

AFIS

Answer 7

• Automated Fingerprint Identification System
• Law enforcment database for prints

Question 8

IAFIS

Answer 8

Intergrated Automated Fingerprint Identification System
- Run by FBI (ooo spookie)

Question 9

Delta

Answer 9

Point in loop/whorl that lies within an often triangular, 3 pronged or funnel shaped structure

Question 10

Arches def

Answer 10

• Simplest type of fingerprints
• Ridges that enter on 1 side of print and exit on the other

Question 11

Loop def

Answer 11

• MUST have 1 delta and 1 or more ridges that enter and leave on the same side
• Bone the loop opening is facing towards

Question 12

Whorls def

Answer 12

• At least 1 ridge that tends to make complete circuit
• At least 2 DELTAS
  (more than 2 most likely accidental)

Question 13

Confirmation Bias

Answer 13

Tendency to search/interpret/recall info in a way that supports what we ALREADY believe