Entire Guthrie family — including Savannah — should take polygraph tests in bizarre Nancy Guthrie case, Greg Gutfeld says

Fox News’ Greg Gutfeld has called on Nancy Guthrie’s family — including daughter Savannah Guthrie — to submit to polygraph ...

Nancy Guthrie family faces calls to undergo polygraph tests, 'I think Savannah...'

Nancy Guthrie missing: Fox News' Greg Gutfeld requested the Guthrie family to take polygraph tests amid the ongoing investigation into her disappearance.
Yahoo

Are polygraph tests accurate? What science says

Add Yahoo as a preferred source to see more of our stories on Google. (NEXSTAR) — A recent polygraph test taken in Orange County, more specifically, on Bravo’s “The Real Housewives of Orange ...
OPB

The FBI and other agencies are using polygraphs to find leakers. But do they work?

Federal agencies have stepped up their efforts over the past few weeks to find potential leakers, and some — like the FBI, the Department of Homeland Security and the Department of Defense — are ...