I would like the thank the Polygraph Board for considering the Computer Voice Stress Analyzer. I also thank Board Members and DPOR Members that attended the vendor demonstration hosted by the Department of Corrections. I have read many articles on CVSA's, articles providing support and articles not supporting their use. Much of what I have read place use of the polygraph and CVSA use against each other. The State Code calls for the Board and DPOR to consider the science related to CVSA's and not how CVSA use in Virginia could affect polygraph use. I have read information on the basic science related to CVSA but do not present myself as qualified to speak on the science. The vendor that provided the demonstration indicates approximately 3,000 Law Enforcement Agencies use CVSA's. Our Unit contacted long time users from several agencies in other states. We spoke to users with the Florida Department of Corrections Inspector General's Office, the Wake County (NC) Sherriff's Office and the Raleigh County (WV) Sherriff's Office. Each user we spoke to was very supportive of CVSA while still describing them as an investigative tool that is only part of a full investigation. If CVSA's are approved for use in Virginia, the Department of Corrections Special Investigations Unit will be interested in training Unit Members to become certified CVSA Examiners.   Thank you,   Paul Haymes, Virginia Department of Corrections Special Investigations Unit