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Douglas Williams, an administrator of lie detector tests for the OK City PD, has spent the last 35 years trying to expose the fact that they don't work and are easily defeated. Should lie detector tests be outlawed?

Douglas Williams, an administrator of lie detector tests for the OK City PD, has spent the last 35 years trying to expose the fact that they don't work and are easily defeated. Should lie detector tests be outlawed?
  • False Sense of Fact

    I believe that lie detector tests should indeed be outlawed. The highest courts in the United States have determined and upheld the opinion that polygraphs are inaccurate to the point that their results, or even the mentioning of administering a polygraph, are inadmissable as evidence. However, law enforcement still us them to assist in investigations. A method that has been proved to be inaccurate should not be a factor in a criminal investigation as the rights of citizens could be infringed upon due to faulty science.

  • Lie detector tests are inconsistent

    The lie detector works on the premise that any sort of untruth will trigger a physical response in the test-taker. If a person has been raised to do so, great. However, what if we are dealing with a person whose psychology doesn't react to lies? If a person puts themselves in pain for the duration of the test then the physical baseline for truth will be off. If a person believes that a lie is the truth, they will also misdirect the test-givers. There are too many variables in the test that cannot be accounted for. Can the test be useful? Yes. Is there any way to know? Not really. Lie detector tests should not be used.

  • Yes, they shouldn't be allowed in criminal trials.

    Lie detector tests are not 100 percent effective. Different people have different reactions in certain situations, so it's impossible to say with certainty whether someone is telling the truth. Lie detector tests should not be allowed in criminal trials because innocent people could be found guilty, or guilty people could be found innocent.

  • Lie detector tests should ot be outlawed

    Lie detector tests should not be outlawed, but their results need finer interpretation by examiners. The tests can be defeated by people who have trained themselves to control their reactions, for example, sociopaths, career criminals and CIA agents. Average people or even petty criminals will not be able to defeat the lie detector test.


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