The Pima County Sheriff's Department refused to comment on a report that polygraph tests were being conducted.

Polygraph tests are being conducted at the Pima County Sheriff's Office, as per reports, amid an ongoing search for Nancy ...

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

Fox News host Greg Gutfeld sparked outrage after suggesting Savannah Guthrie take a lie detector test over her missing ...

The Omaha Police Department has eliminated one of its requirements for hiring new recruits — the polygraph test, commonly ...

Greg Gutfeld said his strategy would be having Savannah Guthrie "offer to do a polygraph, which will then put necessary ...

A recent polygraph test taken in Orange County, Calif., has brought the validity of polygraphs — also called “lie detector tests” — into question. Even though some police departments and ...

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 ...

Even if polygraph tests are not accurate, the threat of a test can serve as a deterrent or as an interrogation tool to elicit admissions. Leonard Saxe is a professor of Contemporary Jewish Studies and ...