The ruling in United States v. Scheffer partially (*) banned the use of these things.  
One of the first of these devices was partially built by a 17-year-old student named Nard Keeler.  Another early one was used on James Frye in 1922 but ignored by William McCoy.  The GKT and CQT are standard procedures when using these devices.  John Larson met his wife while testing out one of these devices on a control group of coeds.  The ruling in United States v. Scheffer partially (*) banned the use of these things.  One of these was built for August Vollmer, the Progressive police chief of Berkeley.  A primitive one of these devices was invented by William Moulton Marston, who gave a more reliable one in the form of a lasso to his bondage loving superhero, Wonder Woman.  For 10 points, name these machines which measure things such as blood pressure to determine the veracity of answers to yes or no questions.
One of the first of these devices was partially built by a 17-year-old student named Nard Keeler.  
lie detectors [or polygraph machines]