Nova Scotia's Royal Canadian Mounted Police (RCMP) announced on Wednesday that investigators have conducted polygraph interviews as part of the effort to determine what happened to Lilly and Jack ...

The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

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 ...

The Department of Homeland Security is responding to reports that Secretary Kristi Noem allegedly warned employees that polygraph tests will be used to combat potential leaks from agency officials ...

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 ...

A version of this story appeared in CNN’s What Matters newsletter. To get it in your inbox, sign up for free here. When President Ronald Reagan’s White House threatened thousands of government ...

Utah could soon ban government officials from asking alleged sexual assault victims to undergo a polygraph test — joining a growing list of states that bar the practice. Rep. Angela Romero, D-Salt ...