Saxe has called the error rate for polygraph testing “significant,” and concluded that even studying polygraph testing is ...

The CIA, the FBI and other federal agencies are using polygraph machines more than ever to screen applicants and hunt for lawbreakers, even as scientists have become more certain that the ...

The polygraph is not a lie detector but rather an instrument that measures a person’s physiological changes to questions posed by the examiner. An elevated physiological response to a particular ...

The CIA, the FBI and other federal agencies are using polygraph machines more than ever to screen applicants and hunt for lawbreakers, even as scientists have become more certain that the ...

CLEVELAND, Ohio - In Hollywood, polygraph machines help dogged detectives sort through the lies and get to the truth. For Northeast Ohio law enforcement agencies, the reality is much different.

Zaid described him as the PT Barnum of polygraphy. Here’s a video of Marston using a polygraph-like machine and claiming to identify the varying emotions of blonde, brunette and redheaded women.