William Iacono, a psychology professor at the University of Minnesota is seen in his lab with a lie detector machine, foreground (on desk) and an EEG machine, background.
William Iacono, a psychology professor at the University of Minnesota is seen in his lab with a lie detector machine, foreground (on desk) and an EEG machine, background. MCT
William Iacono, a psychology professor at the University of Minnesota is seen in his lab with a lie detector machine, foreground (on desk) and an EEG machine, background. MCT

Special Reports

May 20, 2013 12:00 AM

Polygraph world’s close ties spark accusations of favoritism

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