Quotes About Polygraphs

The Operative tried to implement the Purusey breathing technique, which has been proven effective at fooling polygraphs. There is no conclusive evidence as to whether it is effective at masking the internal lie detectors of fifteen-year-old boys.

Polygraphs are not allowed as evidence in most U.S. courts, but they're routinely used in police investigations, and the Defense Department relies heavily on them for security screening.