If you are planning a special event, please contact our EMS Division at (702) 455 . stress test." When President Reagan ordered polygraph tests for Cabinet officials in 1985 to discourage leaks, Secretary of State George Shultz threatened to resign rather than undergo testing, in a famous outburst. If lie detector tests were accurate, a huge portion of criminal cases would immediately be thrown out/ended . A polygraph is a lie detector test used to determine whether a person is telling the truth based on changes in various physiological variables such as respiration, pulse rate, electrodermal activity, and blood pressure. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5e\/Pass-a-Polygraph-Test-Step-1.jpg\/v4-460px-Pass-a-Polygraph-Test-Step-1.jpg","bigUrl":"\/images\/thumb\/5\/5e\/Pass-a-Polygraph-Test-Step-1.jpg\/aid3594099-v4-728px-Pass-a-Polygraph-Test-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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