Unit 1 Assignment 2
1. Briefly describe the history of the polygraph.
John Larson created the first working polygraph in 1921. He was a
Canadian psychologist who was employed by Berkley Police Department
2. Why is it used?
CJ 200 #3
Unit 1 Assignment 3
Briefly describe the history of the computer voice stress analyzer
The Computerized Voice Stress Analyzer (CVSA) first appeared in 1988 and is based on
the same technology as the PSE. The CVSA is marketed by the National In
CJ200- AO Unit 2 Assignment 2
1. What is the purpose of the NCIC and what agency is responsible for it?
The FBI is responsible for the NCIC whose sole purpose is to help criminal justice
professionals apprehend fugitives, locate missing perso
Biometric Technology and The FBI's Biometric Center of Excellence
This assignment is designed to reinforce the unit terminal learning objectives and
reading assignment in relation to the concepts and terminology related to crimin
Why is it almost impossible to obscure ones fingerprints by surgery or mutilation?
o The scar or lack of fingerprint would still be unique to the individual, and your
fingerprint would still grow back
Briefly describe how the Automated Fingerprint Identi