How to Cheat a Lie-Detector Test

There’s a reason why polygraph results are not allowed as court evidence in most laws. And for good reason. So unless you have a potential in-law who’s like Robert de Niro’s character in Meet the Parents, then there’s no need to worry.

In any case, you can always cheat your way through a polygraph test. Here are to routes to beat that test:

  • Keep you cool

    Lie-detectors are designed to pick up non-verbal physical clues such as increased heart rates and pupil dilations but these are not enough to judge how true your words are. If you’re a pretty good poker player and can keep your cool and be calm all through out, then the machine will not be able to find any irregularities. But you should be an Oscar-deserving actor to pull this off. Either that or you’re a rock.

  • Overreact at every point

    Another route that you can take is to exaggerate at every response. The test is designed to have control questions. These are designed to elicit obvious responses like your name, or if the sky is green (to which you reply “No”). This will be their basis in seeing “spikes” or irregularities in the test.

    Overreacting to every response will give the polygraph varying readings whether it’s a control question or not. Since you’ve messed with the controls, they wouldn’t have anything to base their readings on. You can even prick yourself with a pin or needle so to that your body will give off heightened signals due to reflex.

9 thoughts on “How to Cheat a Lie-Detector Test”

  1. TRYING ANY TRICKS TO BEAT A LIE DETECTOR TEST SHOULD BE TAKEN AS THAT YOU ARE LIEING AND YOUR TESTAMONY MIST BE THROWN OUT OR DISCOUNTED. IT IS AS SIMPLE AS THAT. WHY HAS NOT ANYBODY THOUGHT OF THIS BEFORE? AM I A GENIEUS OR WHAT?

  2. Hi Walter Macie,

    This post was meant to be an FYI on how the polygraph works (phrased in a different POV, that is) and not a suggestion to freely do it.

    Besides, while some federal courts admit lie detector tests (when parties have agreed to the test before it is given), some courts don’t.

    The US Supreme Court has yet to set a rule on admissability as issues have been raised whether it touches on the Fifth Amendment.

    I hope you have you thought of these before.

  3. Walter…
    You can’t tell just because someone is being calm that they’re trying to fake the test, some people are naturally that way. On the other hand, some people are naturally spastic and would be nervous at the idea of having to under go the test in the first place which would give them reason to seem paranoid throughout the test, control questions and all.

    Trying to figure out whether or not someone’s trying to fake it or not would leave people in the same boat they were in before the lie detector came around in the first place…

  4. hi, i would like to know if its possible to beat a lie detecting test and how exactly would that be done? Being fals accused of something, i dont want to take chances. Im a nervous person all the time. Would that effect the test?

  5. Walter you are so incredibly stupid that its beyond sad. The whole point of cheating is not getting caught…

  6. im planning on passing a test soon ill let you guys know how it works out im gonna pass and i know i shouldnt even if i have to pay the guy lol

  7. Hahahaha I cant believe it it actually works I followed wat he said and it actually worked so it just comes to show that he’s not stupid mr. Pete u lop

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