But the problem is that (as far as I'm aware) most of the people running these tests also believe that polygraphs are magic lie detecting machines. So you get f

But the problem is that (as far as I'm aware) most of the people running these tests also believe that polygraphs are magic lie detecting machines. So you get false negatives of people failing even though they're not being deceptive, while people who know what's up can lie and breeze past...