Leonard Klie, "Momentum Builds for Voice Stress Analysis in Law Enforcement", Speech Technology Magazine, Summer 2014:
Nearly 1,800 U.S. law enforcement agencies have dropped the polygraph in favor of newer computer voice stress analyzer (CVSA) technology to detect when suspects being questioned are not being honest, according to a report from the National Association of Computer Voice Stress Analysts.
Among those that have already made the switch are police departments in Atlanta, Baltimore, San Francisco, New Orleans, Nashville, and Miami, FL, as well as the California Highway Patrol and many other state and local law enforcement agencies.
The technology is also gaining momentum overseas. "The CVSA has gained international acceptance, and our foreign sales are steadily growing," reports Jim Kane, executive director of the National Institute for Truth Verification Federal Services, a West Palm Beach, FL, company that has been producing CVSA systems since 1988.