When you truly love what you do, you want to share your knowledge with others. This is what William (Bill) Endler did when he started working as a Senior Instructor teaching about a technology he is passionate about—the Computer Voice Stress Analyzer (CVSA®). After...
Interviews
Robert A. Gamberg Sr. on Using CVSA Examinations to Investigate Crimes by Prison Inmates
One of the greatest challenges for law enforcement is working with incarcerated criminals. While local and state police take the lead on investigations, once a criminal is serving time, correctional officers take over. It is their duty to ensure not only that...
Mike DeFrancisco Discusses the Use of CVSA in Arson Investigations
Oxygen, heat, fuel, and a chemical chain reaction—this is the fire tetrahedron that sparks a devastating flame capable of destroying lives. A family is left homeless. Children perish while sleeping in their beds. A young person caught in a fire of their own making...
Interview with Chad Jeansonne: Using CVSA and Communication Skills to Connect with Suspects
Have you ever met someone and immediately felt comfortable sharing something not even your closest friends know about you? Chad Jeansonne is that kind of person; he just puts people at ease. But he also happens to be a veteran law enforcement officer and Expert CVSA...
CVSA Examiner Donald P. Wiebe Discusses His AIS Interview and Interrogation Method
One of the benefits of being part of the NITV® community is getting to know the talented investigators who take the time to become Certified CVSA Examiners. This is a group of men and women who don’t settle for the status quo. Recently, I had the opportunity to speak...