Category «Announcement»

Federal Psychophysiological Detection of Deception Examiner Handbook

On 11 April 2006, posted the U.S. federal government’s official polygraph handbook, formally titled the Federal Psychophysiological Detection of Deception Examiner Handbook (1mb PDF) dated 1 March 2004. A discussion of this document is available on the message board here. In addition, we also made available a Department of Defense Polygraph Institute instructional …

Welcome to the News

After more than five years of manually updating the Polygraph News page on, we’re moving to a weblog or “blog” format for linking to and commenting on polygraph, voice stress, and other “lie detector” related news. We hope you will enjoy the change. The old polygraph news pages will remain available, but will no … Marks 2nd Anniversary

Two years have passed since first went on-line on 18 September 2000. Since then, we’ve rapidly grown to become the Internet’s leading site for polygraph information and a focal point for public debate of polygraph issues. Our free book, The Lie Behind the Lie Detector (now in its second edition) has been downloaded 40,000+ … Marks Its First Year On-line

Since its launch on 18 September 2000, has grown to become the Internet’s premier source of polygraph information and the leading public forum for discussion and debate of polygraph issues. is grateful to all those who have helped to make our first year a successful one, and anticipates more progress in the coming …