Smith. Smith’s attorney, Brian Sun, said that his client never received a directive from FBI headquarters in the mid-1990s to have Leung take a polygraph. It was unclear whether a lie detector ...

Employees at many of America's top intelligence gathering and analysis agencies will have to convince a lie detector that they haven't spilled any of the nation's secrets to the media. Director of ...

Ever wondered if spy gadgets from movies actually work? I bought 17 real-life spy gadgets – night vision goggles, hidden cameras, a lie detector, and more – to put them to the ultimate test. Does any ...

The FBI will require employees to take lie-detector tests ... agreed to step up polygraph tests of bureau agents as a security measure in the wake of the Robert Hanssen spy case.