The reaction these very crude instruments record is simply nervousness. Williams goes on to say that the polygraph s only real purpose is to get a person into the hands of a trained interrogator for questioning without being bothered by an attorney. It is simply a psychological billy club that will coerce a person into a confession. Some just know Where to Buy Credentials . It's amazing the magic that can be worked with physical evidence that proves nothing.
Scientific fraud is acceptable if it gets a conviction.
Each was charged with murder and arson in the death of a loved one. Two were convicted, and one faced the death penalty. The charges in each case were based on junk science. Some just buy them. A Lot New research indicates that incompetent people tend not to know they are incompetent.