How to guide Polygraph (lie detector tool Someone) Results works in an interview and history

Introduction Polygraph (lie detector Tool) works in an InterviewI caught, so to speak a lie detector said that if people demonstrated Testing is a lie. While the mouth can lie, but the rate of breathing, sweating, heart rate, blood pressure can not fool the lie detector (polygraph). The lie detector is not easy. Although there are some signs when someone is lying. But with a lie detector or