VSA:

Group CSC utilizes the latest advance in Voice Stress Analysis (VSA) which is a procedure used for detection of deception (lie detection) or truth verification or to determine psychological stress profiles. The technology has been used for over 30 years by more than 1500 U.S. law enforcement agencies. The U.S. Department of Defense uses VSA in its fight against worldwide terrorism very affectively. We offer both investigation specific and pre-employment screening via VSA.