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

Polygraph world’s close ties spark accusations of favoritism

May 20, 2013 12:00 AM

UPDATED August 09, 2013 12:09 PM

More Videos

  • A health inspector's fate: Contamination

    Byron Vaigneur's job as a health supervisor at the Savannah River nuclear weapons plant in South Carolina was to protect workers from the harmful effects of radiation.  But he could not protect himself – he was exposed to plutonium while sitting at his desk in 1975 and developed cancer as a result.