The lie detector (polygraph) has been scientifically proven to be faulty. It can not discern whether a human being is lying or being truthful, and yet it is used daily to enforce laws, prosecute citizens, dismiss people from jobs and keep others from acquiring the career they are fully qualified for. Two million people a year in the U.S. are forced to take a polygraph despite the fact that telling the truth does not help the person pass the "exam"...