The Department of Homeland Security has begun performing polygraph tests on employees to determine who might be leaking information to the media about immigration operations, according to four sources ...

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 ...

Tim Vallee holds up the roughly 15-pound bluefish that would have taken second place in the tournament had he not been disqualified for failing a lie-detector test. Photographs by Waterbury Deep Sea ...

Polygraphs are among several follow-up exams that are considered before hiring, including a drug test and a psychological exam. Members of Peoria's Fire & Police Commission are considering ending the ...