Hiss never volunteered to take one, but he pointed out to HUAC that it was inconceivable that he, a highly public figure, could have fooled for so long the journalists and statesmen who saw my every facial expression, heard the tones in which I spoke, and knew my every act.
Hiss didn't volunteer to take a lie detector test because, as he said to HUAC, it was unlike that a public figure like himself could have fooled journalists and statements who had regular access to me. 