7 April 2013
has published a set of documents on polygraph countermeasures. Deceptive
persons can use countermeasures to fool the polygraph, and owing to the high
error rate associated with polygraph screening, truthful persons may also
wish to use them to mitigate the risk of a false positive outcome.
Publicly, polygraphers claim that countermeasures don't work and that they
can easily detect them. But these documents, prepared by polygraphers for
the training of other polygraphers and not intended for public dissemination,
tell a different story.
These documents also show that the polygraph community is deeply concerned
about the information provided by AntiPolygraph.org in our free book,
Lie Behind the Lie Detector and by Doug Williams in his manual, "How
to Sting the Polygraph," which is offered for sale at Polygraph.com.
Interestingly, the polygraph community does not seem to be remotely interested
in Al Qaeda's views on the polygraph, which AntiPolygraph.org
and translated to English in 2002. None of the polygraph documents, even
one presented at an international counterterrorism conference in 2005, mention
The documents, with brief descriptions of each, are available here:
Cryptome readers may wish to consider mirroring them.
George W. Maschke, Ph.D.