But it's useless for employee screening, convicting the guilty ... these high-tech lie detectors will be cheap, accurate, portable and unobtrusive enough to replace the polygraph in incident ...

House Minority Leader Darren Jackson kicked off the week with a bang, challenging Republican leadership to take lie-detector tests ... Hayes has agreed to plead guilty to lying to the FBI during ...

But if a guilty ... of lie detection to receive widespread attention was published in 2002 by Daniel Langleben of the University of Pennsylvania. Langleben handed his subjects a playing card ...

Dr van der Zee says that, because taking a lie detector test can be a stressful experience, it can sometimes present innocent people as guilty. "People being interviewed with a polygraph are ...