A seven-hour post-polygraph interrogation by Vermont State Police caused Dennis Duby Jr. to change his story several times regarding the events surrounding Dezirae Sheldon s death, according to a ...

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 ...

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 ...

Alex Murdaugh failed a polygraph test administered as part of the plea agreement for the disgraced former attorney's raft of financial crimes, violating the deal, which required his truthfulness, ...

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 ...

The Department of Homeland Security (DHS) is disputing reports that acting Cybersecurity and Infrastructure Security Agency (CISA) Director Madhu Gottumukkala failed a polygraph after seeking access ...