“So do we get to polygraph you?” one incoming Mexican official asked his American counterparts

For starters, polygraphy has no scientific basis. Making matters worse, polygraph techniques have an inherent bias against the most honest and conscientious of persons.1 Ironically, polygraph screening is likely to screen out the straight arrows that are needed to create a more honest workforce. And on the other hand, deceptive persons can pass the polygraph using simple countermeasures that polygraphers cannot detect.