The Polygraph

The polygraph sort, known as lie detector test has been in use in the United States for almost a blow years. Polygraph tests have proven to be one of the most powerful, robust and useful scientific tools in criminal investigations and personnel screening. It is routinely apply in almost all major investigations in advanced countries employing this forensic tool. Among the most important applications of the polygraph test be counter-intelligence, counter-espionage screening, counter-terrorism and combating corruption. polygraph tests ar increasingly used for sex offender examination and monitoring. Prosecutors make use of polygraph tests to decide whether and which legal charges to file. It is used by agencies like the CIA, FBI, National Security Agency, US Secret supporter and the US Department of Defence etc employ polygraph tests for investigations and personnel screening. thither is also other private polygraph tests on spouses, fiancees, girlfriends, boyfriends etc suspected of slicker brought about or exposed by social networking websites and unused mobile devices.
Polygraph testing wadnot detect lies with 100- percentage accuracy, and the results of a polygraph test typically do not have much legal heading as evidence in a court of law.



The tests can still prove incredibly useful in some(prenominal) different applications. People take polygraph tests using devices that measure changes in physiological responses, such as breathing and pulse rates. galore(postnominal) justices agree that the polygraph machine produces results that are not 100 percent conclusive, they are sometimes used in court.
There are cons with the lie detector test that fall outside of the demonstrable working of the test itself. Although lie detector tests are used to test whether an employer can trust an employee, these tests can also defile the trust an employee has with her employer. Even if an employee passes a lie detector test and no lies are detected, the fact that she was submitted to the test in the...If you deficiency to get a full essay, order it on our website: Orderessay



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