According to the Defense Intelligence Agency, the Custom and
border protection is one out of those 17 agencies which are making use of the Polygraph
machine for testing and then screening their candidates before hiring them. There
are certain people who are skeptical about the results of the Polygraph test
say that taking a Polygraph test is just similar to flip a coin in the air and
waiting for the results which are doubtful. The believers say that it is a good
source of extracting useful admissions out of the perspective candidates. The use
of Polygraph was banned by the congress in the private sectors, around 25 years
ago from now and due to this the federal government agencies were using it more
in the areas of national security and law enforcement.
Nowadays the layered voice technology, developed by Amir Liberman is also being used as an effective tool for preparing the candidates
for an effective Polygraph test. The National Credibility Assessment Center
that is a part of the Defense Intelligence Agency train coaches around 85 to 90
polygraph testers every year. Out of them only 4-5 are absorbed by the Federal
agencies. No doubt that there are candidates who pass the test even after lying
but still the whole process is helpful upto a large extent for filtering
appropriate candidates.
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