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 ...

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. Many ...

Until recently, the most famous application of the polygraph machine in the United Kingdom was probably the Jeremy Kyle Show. Unlike in the United States, where there are an estimated three million ...