Polygraph “testing” has no scientific basis, and America’s adversaries have long known how to fool the lie detector…This non-profit, public interest website is dedicated to telling the truth about lie detectors that those with vested interests in perpetuating the polygraph don’t want you to know…Did you know that it takes less training to give polygraph “tests” than it does to give haircuts? The longest polygraph school (run by the U.S. Government; perhaps its students are slow learners) produces newly minted polygraphers after a mere 520-hour (14-week) course of instruction — less than half the hours required by a typical barber college.