Briefly describe the history of the polygraph.
In 1878, Mosso used an instrument called plethysmograph, the research conducted, focused
on emotions and fears while undergoing questioning. He also studied blood circulation and
1. What is the purpose of the FBI's Biometric Center of Excellence (BCOE)?
The purpose of the BCOE is to
Extend biometric technical capabilities
Strengthen forensic science and advance biometrics
Drive national biometrics
Improve national security by