Polygraph....can they be defeated????

Discussion in 'The Okie Corral' started by edrobert, Feb 11, 2010.

  1. edrobert

    edrobert

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    Have a question for you guys.......is it possible to defeat or trick a Polygraph into an inconclusive answer? Would love to hear your thoughts?
     
  2. Gonetodarkside

    Gonetodarkside owl protector

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    Those things dont work dude. How could it possibly work? Investigative tactic.
     

  3. ricklee4570

    ricklee4570

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    Yes it is possible
     
  4. DaGroaner

    DaGroaner Anti-Socialist

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    Easy. Don't submit to one in the first place.
     
  5. digitalmike47

    digitalmike47

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    It's only a lie, if You believe it...
     
  6. stevelyn

    stevelyn NRA Life Member

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    How good of a liar are you?

    Polygraphs only get a baseline reading on physiological responses to answers on questions known to be true and are measured against the physiological responses recorded during the actual exam.

    Computer Voice Stress Analysis will be your undoing.
     
    Last edited: Feb 11, 2010
  7. Indy_Guy_77

    Indy_Guy_77 Thread Killer

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    Yes, they can be "defeated"

    What they are, though are just BP and pulse monitors...probably thermometers as well.

    -J-
     
  8. HKUSP45Css

    HKUSP45Css

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    Defeated!?

    First you'd have to find one that worked well enough to be reliable. Once you do that we have a premise to start with, until then, today's machines are like reading tea leaves.

    You have an "examiner" who guesses why something changes on an organism under stress. If they were even remotely reliable their results would be admissable in court proceedings. The fact that, by and large, they aren't should tell you something.

    It's pretty simple really, you answer a bunch of questions in a room by yourself, they ask you those questions (and a few "baseline" questions) in a room with a scary person who holds your future in their hands (most polys are given prior to employment) and he/she "interprets" whether or not you "reacted" to certain questions.

    Not. Very. Scientific.
     
  9. edrobert

    edrobert

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    What re the best methods to confuse the test or make it come back inconclusive?
     
  10. JBnTX

    JBnTX

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    Very very few, if any, people are capable of defeating a Lie Detector
    machine as it measures bodily functions that you have absolutely NO
    control over.

    Some of you guys watch way too much TV?:faint:
     
  11. HKUSP45Css

    HKUSP45Css

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    Yeah, I'm going to have to go ahead and disagree with your assessment. I, personally, know a gentleman who does BI's and another who is a poly examiner. The biggest portion of the "weeding out" a poly does, according to them both, is keep people from taking the test in the first place for fear of failing it.

    If you're super stupid (and most people who would fail the questions they ask aren't since they've had life experience) you'll "blip" when you shouldn't. The BI provides tomes of useful information the poly could never come close to revealing.
     
  12. Mayhem like Me

    Mayhem like Me Semper Paratus

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    and some buy into junk science witgh no conclusive track records except what the manufacturer/trainers want to put out.

    Great investigative tool lousy at giving a read on an accomplished liar.
     
  13. Gonetodarkside

    Gonetodarkside owl protector

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    If you believe that it can really tell when you are lieing, then it is you who watches too much tv.
     
  14. Swiper

    Swiper

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    Polygraphs can't not be introduced by the prosecution in trials as it's not evidence and results are unreliable. The defense can, however, introduce a polygraph result in a trial to argue their client's innocence.
     
  15. vafish

    vafish

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    Aldrich Aimes took and passed 2 polygraphs while spying for the Russians.

    So yes Polygraphs can be "Beaten".
     
  16. HKUSP45Css

    HKUSP45Css

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    Right, because a prosecuter's evidence has to have some basis in fact. The defense, however, can argue any damn fool thing they like.
     
  17. void *

    void * Dereference Me!

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    Actually, no, they compare the physiological responses of answers known to be true to the physiological responses of answers assumed to be false, and then use that as a baseline for later questions where the truth is unkown. Tell the truth on one of the questions they are assuming to be false, and later on get nervous about a question and tell the truth anyway - and it might well look like a lie.

    If there was any provable indication they were accurate, they'd be allowed as evidence in court - and they aren't. As someone else noted here, they are used as an investigative tool, and in that usage, they're more valuable as something that the person undergoing the test thinks will indicate that they are lying than as something that will actually indicate lying.

    They're a stack of hooey, too.
     
    Last edited: Feb 11, 2010
  18. FLglocker

    FLglocker Bubba Army

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    In short , yes . You can manipulate a polygraph . There is no such thing as a "lie detector" . You just have to know how they work . If you google "beat a polygraph" you'll find interesting results (should be the first result ! .org) haha
     
  19. Jon91N/A

    Jon91N/A

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  20. trifecta

    trifecta

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    This covers it. I have a friend doing the voice analysis stuff and it is scary.

    OP, on my Poly they asked if you have done anything to subvert the test, including what you have just done on here. Might be easier to tell the truth unless there is some reason you can't.