The Lie Behind the Lie Detector The Lie Behind the Lie Detector's popular free book on polygraph validity, policy, procedure, and countermeasures. Be sure to download a copy ( PDF / EPUB / MOBI ). Post comments, criticism and suggestions for new editions here.
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Save your money.
I recently took a pre-employment poly, the second one I've taken in my life, and I am compelled to say a few things. 
For those looking around the internet to find helpfrul information on the pol...

Started Apr 2nd, 2008 at 8:11am by emanon249
1 3452 Last Post Apr 2nd, 2008 at 3:41pm
By: sackett
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I have a problem with only one "relevant" question. What to do ?
Hi there Smiley
I'm supposed to take a polygraph test during the next couple of weeks, and while I feel totally comfortable with most of the questions that I will be asked, there's one specific quest...

Started Jan 18th, 2008 at 5:08pm by mario
3 4953 Last Post Jan 18th, 2008 at 6:19pm
By: George W. Maschke
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TLBTLD and Doug Williams
     I have never taken a Poly, but I have done a lot of reading. I am convinced that TLBTLD seems to be a very good book. It does seem to mirror Mr. Williams book, and techniques. 
     Does any...

Started Jan 23rd, 2006 at 2:29pm by confusus
3 10313 Last Post Jan 7th, 2008 at 4:30pm
By: WJ
Very Hot Topic (More than 25 Replies)
AntiPolygraph research
After a careful perusal of your site, it seems obvious that while you make countless criticisms regarding polygraph research, you haven't really done any of your own. In fact you seem to base almost a...

Started Dec 8th, 2007 at 3:31am by SanchoPanza
« Pages 1 2 3 »
35 25872 Last Post Dec 14th, 2007 at 4:46am
By: nopolycop
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polygrapher motives
Why would a polygrapher care one way or the other whether the person taking the test passes or fails?

Started Dec 13th, 2007 at 2:41pm by SanchoPanza
0 2496 Last Post Dec 13th, 2007 at 2:41pm
By: SanchoPanza
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logic of tongue-biting/pain infliction-
Breathing manuevers aside, for the most part, the only concern an examinee has is the involuntary changes in electrodermal response. I understand the methodology of the tongue-biting CM - namely that ...

Started Mar 7th, 2006 at 7:11pm by antrella
6 11489 Last Post Jul 12th, 2007 at 2:43pm
By: 1904 - Ex Member
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The Lie Behind the Lie Detector on
The Lie Behind the Lie Detector, in addition to being available for download directly from, may also be browsed on-line at, a new document-sharing website (where it has ha...

Started Mar 8th, 2007 at 11:59am by George W. Maschke
1 6522 Last Post Jun 26th, 2007 at 2:45pm
By: 1904 - Ex Member
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Polygraph: Non-Science Justification
Polygraph or electrical impulse data gathering through either electrolytic contacts or strain gauges of blood pressure, breathing... statistics based upon  those who need to create their own job secur...

Started Mar 13th, 2005 at 6:44am by retired333
2 5783 Last Post Feb 16th, 2007 at 3:09am
By: jeggirl
Hot Topic (More than 15 Replies)
Isn't a career as a law enforcement officer based on trust, character and integrity?  What kind of a person lies and cheats to get a job?  I can't think of a single law enforcement agency, federal or ...

Started Apr 2nd, 2006 at 8:46pm by Truth
« Pages 1 2 »
21 16860 Last Post Jan 24th, 2007 at 10:27am
By: gr8dad
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Just wanted to say thank you!!!!
I really thought these polys could read your mind. I went into the test feeling confident after visiting this site.  When asked about my past life I passed with flying colors.  Once again thank you!! ...

Started Feb 16th, 2006 at 3:30am by Thankyou
3 23652 Last Post Dec 24th, 2006 at 1:49pm
By: Sergeant1107
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A PI's Polygraph Opinion
Take this for it is worth. I use polygraphs everyday in the private and criminal defense arena. I have referred 1000's of individuals suspected of crimes, after doing the background work. 
I have...

Started Mar 7th, 2006 at 2:05am by PI_Insight
3 5391 Last Post Mar 8th, 2006 at 10:21am
By: PI_Insight
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0 2561 Last Post Jan 29th, 2006 at 6:58pm
By: totalies
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i need some expert opinoins
yes i am also in a similar situation but i was accused of taking prescription which didnt happen as the witnesses said  and i was currious if you could give me some pointers on  how i should go about ...

Started Feb 18th, 2005 at 7:43am by lil_c_vip
4 5327 Last Post Dec 26th, 2005 at 8:27pm
By: Administrator
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Need help Pleae!!
My car got stolen in april 2005, the way the car got stolen, the police think that  I have something to do with it and harrassing me to take a polygraph test.   I am not going to take it.  If I don't ...

Started Dec 4th, 2005 at 7:37pm by lover894
3 4402 Last Post Dec 5th, 2005 at 9:39am
By: George W. Maschke
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The other website.
Well, I wondered on over to the anti-anti-polygraph site and looked around. I have to say it's really something to see the amount of trust a group of people have in the 'science' of polygraphy.

Started Nov 30th, 2004 at 12:28am by yatittle
2 4317 Last Post Dec 5th, 2005 at 8:50am
By: gelb disliker
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Passing the Lie Detector Test?
Is there any chance that someone could explain how to exactly pass this test. I am a little bit discouraged.  I  maybe tested for the polygraph for employment purposes. I've never used anytype of ille...

Started Jun 28th, 2004 at 11:46pm by LaceyLou
6 10102 Last Post Nov 8th, 2005 at 9:49am
By: Smokey - Ex Member
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Thanks, I'm not alone.
I would like to first start out by saying Iím pleased to see Iím not alone in knowing that the polygraph is a fraud. I would like to say thank you to the creators.          Cry   Smiley

Started Aug 11th, 2005 at 11:57pm by truth05
0 2689 Last Post Aug 12th, 2005 at 2:57am
By: truth05
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Question on Countermeasures
I've been trying to find an answer to this, but I can't. I know it is not safe to use physical (tongue biting) and mental countermeasures at the same time. However, should you use a mixture throughout...

Started Jul 16th, 2005 at 8:56pm by nopolyman
0 2905 Last Post Jul 16th, 2005 at 11:56pm
By: nopolyman
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Need help
I have had a problem downloading,"The Lie Behind the Lie Detector." †Could someone please e-mail a copy to me at thank you for your help.

Started Jul 11th, 2005 at 4:01pm by leviticus
3 4041 Last Post Jul 14th, 2005 at 1:09am
By: Brandon Hall - Ex Member
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Stop missleading people
Stop misleading people....
Here is my story with polygraph, I'm 21 and I have never taken polygraph before, until one day i was randomly picked to take one, of course I was concerned about it, bu...

Started Aug 31st, 2004 at 8:44pm by Slim_Thug
13 11908 Last Post Jul 12th, 2005 at 7:38pm
By: hwsternfan
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