“Study Warns U.S.: Polygraphs Can Lie”
Chicago Tribune Washington correspondent Michael Kilian reports. Excerpt: WASHINGTON –The National Academy of Sciences declared Tuesday that polygraph examinations are dangerously unreliable and the federal government should cease depending on them to screen for security risks. The academy’s 18-month, federally-funded study found that the so-called lie detector not only incorrectly deems large numbers of people …