Chester_from_THM
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Is this like a voice "stress" analysis? If so, I believe that they DID do such a test and that GZ was determined to be truthful. Does anyone else remember hearing about this?
It is different, in that SCAN relies only on the words spoken or written, and completely ignores the body language aspect, tone of voice, etc., of the subject.
I do recall on the video of GZ's questioning, the LEO explaining he was doing a voice stress test, but I never heard about the results.
The SCAN site has a lot of interesting examples and IMO, can be very revealing.
Here are some of the reports they have published.
http://www.lsiscan.com/reports.htm