Fingerprints Flashcards
Chinese
Used fingerprints to sign legal documents as far as 3000 years ago
William Herschel
English servant required natives to sign contacts with an imprint of their right hand
Henry fails
Wrote that skin ridge patterns could be important in identification
System was rejected in favor of bertillion system
Alphonse bertillion
First systemic attempt at personal identification was devised
Portraita parle
Detailed description of the individual
Anthropometric
System of predict body measurements
11 measurements taken to include height length of foot
William west
Couldn’t be distinguished from inmate with same name by anthropemtry
Facts
No 2 people age the same exact point
Unchanged for the life of the individual
Have ridges that allow them to be systematically identified
Arch
Plain arch
Tented arch
Loop
Radial
Ulnar
Whorl
Plain
Central pocket
Double
Accidental
Percent of loops
60
Percent of whorls
35
Percent of arch
5
Plain arch
Ridges enter on side and exit on the other side