Do Polygraph Tests Actually Work?

A 1983 report by the US Congressional Office of Technology Assessment concluded , “It appears that NSA (and possibly CIA) use the polygraph not to determine deception or truthfulness per se, but as a technique of interrogation to encourage admissions.”

The polygraph offers an enticing solution to an innately human problem, but at its heart, it’s a big lie.

Source: Do Polygraph Tests Actually Work?