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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.

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