Baker Group International

Baker DVSA©™ – is far superior to outdated truth verification systems such as CVSA™, Vipre, polygraph, Diogenes Lantern™, LTV, Nameyesco, VSA2000, and PSE™. We are the fastest growing VSA system in the U.S. In just 10 years DVSA has become one of the most utilized VSA’s by U.S. law enforcement and government agencies. BAKER-DIGITAL VOICE STRESS ANALYZER©™, U.S. copyright software and procedures developed by E. Gary Baker, Ph.D., is a fast , reliable, valid, and accurate diagnostic Voice Stress Analysis forensic truth verification system based upon sound scientific approaches.