Biometrics, Fingerprints and Identification

Question 1

what is biological data ?

Answer 1

fingerprints, eye scans, body measurements, facial patterns, voice patterns

Question 2

who carried out and when the first biometrics ?

Answer 2

Bertilon 1882 - body measurements

Question 3

when did fingerprints develop of ancestors ?

Answer 3

100million years ago

Question 4

what are the 3 functions of fingerprint patterns ?

Answer 4

extrusion of perspiration
tactile facility
provision of gripping surface

Question 5

what are the 3 core principles for the use of fingerprints in a forensic investigation ?

Answer 5

formed before birth
persistent through life
details are unique

Question 6

what happened in 1880?

Answer 6

Henry Faulds stated fingermarks and impressions may lead to scientific identification of criminals

Question 7

when did the first dinger print office open and by who?

Answer 7

1893 by Ivan Vucetich

Question 8

where was the first finger print office?

Answer 8

Argentina

Question 9

when did Scotland Yard introduced fingerprint identification?

Answer 9

1901

Question 10

how many fingerprint cards where there in the FBI by 1924?

Answer 10

810,000

Question 11

in 2005 how many fingerprints do the FBI have on record?

Answer 11

50,000,000

Question 12

what are class characteristics of finger prints?

Answer 12

pattern by position of friction ridges

Question 13

what are the 3 main 1st level details?

Answer 13

Arch Loop Whirl

Question 14

what the most common patterns ?

Answer 14

Loops

Question 15

what features does a loop have?

Answer 15

1 delta
a core
at least one recurving ridge between delta and core

Question 16

what is a radial loop?

Answer 16

when the end points towards the thumb

Question 17

what is it called then the end of a loop points towards the little finger?

Answer 17

Ulnar loop

Question 18

Whats the percentage of Arch prints?

Answer 18

5%

Question 19

what are the two types of arch prints?

Answer 19

plain and tented

Question 20

what stew percentage of whorls?

Answer 20

35%

Question 21

what are the 4 different types of whorls?

Answer 21

pain whorl, central pocket whorl, twin loop whorl

accidental whorl.

Question 22

what’s a 2nd level detail?

Answer 22

ridges

Question 23

what are the types fo ridges?

Answer 23

ride endings, bifurcation, lakes, independent ridges , dot of island, spur and crossover

Question 24

what’s 3rd level detail ?

Answer 24

sweat pores and the shape of the friction ridges

Question 25

how much is a thumb worth ?

Answer 25

16