Lie Detector/Polygraph Expert Witnesses
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Expert witnesses who are available to consult and testify regarding lie detectors and polygraphs may be found here. The professionals found through this page may advise regarding credibility analysis, truth verification, false allegations, lie detector tests, and polygraph tests. Expert witnesses found through this page may also testify regarding psychophysiological detection of deception, systolic blood-pressure tests, and lie detection, as well as related issues.
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What is a lie detector/polygraph expert witness?
A lie detector expert witness, also known as a polygraph expert witness, is a professional who provides expertise in the use, interpretation, and accuracy of polygraph tests in legal proceedings.
What is the role of a lie detector/polygraph expert witness?
A lie detector/polygraph expert witness provides expert opinion on the use and reliability of lie detector tests.
How much can a person make as a lie detector/polygraph expert witness?
Lie detector/polygraph expert witnesses can expect to earn anywhere from $200 to $400 or more per hour, determined by the requirements of the case.
What are the qualifications of a lie detector/polygraph expert witness?
Lie detector/polygraph expert witnesses should possess knowledge of polygraph procedures, testing methods, and the psychology of deception.
For a case, how is evidence gathered by a lie detector/polygraph expert witness?
A lie detector/polygraph expert witness gathers evidence by administering a test that measures physiological responses such as heart rate, blood pressure, and breathing patterns to determine if a person is lying or telling the truth.
In what type of cases might require opinions from a lie detector/polygraph expert witness?
Cases involving criminal investigations, employment disputes, and family law matters may require opinions from a lie detector/polygraph expert witness to determine the truthfulness of statements made by individuals involved in the case.