Many people have passed polygraphs while lying. For example, spies like Ignatz Theodor Griebl, Karel Frantisek Koecher, Larry Wu-tai Chin, Aldrich Hazen Ames, and Ana Belen Montes all passed the polygraph while lying about relevant issues. So, too, did Gary Ridgway, A.K.A. "The Green River Killer," the deadliest serial murderer in U.S. history.

well, i meant personal experiences from average americans; not necessarily famous spies or serial killers.

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Guest,

One warning. If you choose to learn how the polygraph works, you may well increase the possibility of "failing" while being truthful absent countermeasures. The polygraph, especially the most common forms of it, depend on a bit of deception. For your own good of course. Like learning the trick behind a good magic act, the way you look at it will be unavoidably altered.

-Marty

I lied and passed. Read the "Polygraph is a fraud" thread in the post-conviction forum.

How many times do you have to bend over because of the polygraph? I never lied about what I did and stood up to take my licks for it. After being "consequenced" and "sanctioned" for being scored inconclusive and deceptive by charlatan polygraphers, I felt I needed to take proactive measures to protect myself from the polygraph clown show. On my last polygraph, I lied about having viewed pornography (saw some in junk/spam email). I used countermeasures and passed.  After bending over backwards detailing every incidence of contact with minors, for example, and then being scored deceptive about having had sexual contact with anyone other than my wife, and then being punished for something I didn't even do, yeah, my attitude went south and it was time for a healthy F-you to the polygraph community. 

Like many others who have been screwed by the polygraph - for whatever reason(s) one is having to take it in the first place - you can only begin to appreciate the fury of being judged a liar when you know goddamned well you told the friggin truth.