Biometric Technologies and Verification Systems by John R. Vacca
ISBN-13: 978-0-7506-7967-1 (alk. paper) ISBN-10: 0-7506-7967-0

Biometrics is considered the science of life measurement. Biometrics are classified based upon degree of accuracy and separated into three categories: high biometrics, low biometrics, and esoteric biometrics.

Identify and discuss one high biometric and explain its application to criminal justice.
How would it be used in the real world?
Identify a low biometric and discuss how it could be used alone or in conjunction with the selected high biometric in the real world.
What are some limitations of the selected low biometric?