http://www.onin.com/fp/fphistory.html
http://en.wikipedia.org/wiki/Fingerprint#History_and_validity
http://www.biology.arizona.edu/Human_Bio/problem_sets/blood_types/Intro.html
http://en.wikipedia.org/wiki/Forensic_science
http://www.tcamb1.com/forensicscience.htm
http://www.fbi.gov/hq/lab/fsc/backissu/july2000/deedric1.htm
http://www.wisegeek.com/what-is-questioned-document-examination.htm
