Polygraph tests can supposedly detect when a person is lying. But how can a machine do that, and can we really trust the ...

COOPERTOWN, Tenn. (AP) – A police chief hired to rebuild a tiny Tennessee department dismantled by scandal is using a lie-detector test to keep racists off his force. Coopertown Police Chief Shane ...

D.C. police yesterday escalated their dispute with Rep. Gary A. Condit and his attorney, dismissing the results of a privately administered polygraph as having "no investigative value" and suggesting ...

"Even before the tremendous polygraph advancements, they were never considered per se unreliable in New Jersey," writes Frederick P. Sisto. Even before the tremendous polygraph advancements, they were ...

Sgt. Rob Sampson doesn’t like to be called a lie detector. He prefers to think of himself as a verifier of the truth. The 13-year veteran of the Saskatoon Police Service is almost one year into his ...

In this series on the polygraph, I’m reviewing some of the applications and issues of interest to security personnel considering polygraphs as a tool for pre-employment screening and in investigations ...

Talk Show Host and Columnist at Seattle Red AM 770 The newly announced Seattle Police Chief Shon Barnes failed the Seattle Police Department’s (SPD) polygraph as part of the city’s pre-employment ...