Polygraph tests are 20th-century witchcraft.
— Sam Ervin

I am not opposed to the limited use of polygraphs in a case where a person is suspected of wrongdoing. But widespread use of the polygraph as a screening tool goes far beyond what is acceptable.
Jeff Bingaman polygraph quote

And they asked me to take a polygraph as to the allegations and reports I'd made. I volunteered and I took the polygraph and passed it without a glitch.
— Sibel Edmonds

The use of the polygraph has done little more than create confusion, ambiguity and mistakes.
— Aldrich Ames

The U.S. is, so far as I know, the only nation which places such extensive reliance on the polygraph. It has gotten us into a lot of trouble.
— polygraph quotation by Aldrich Ames