There are calls for Brett Kavanaugh to take a lie ... polygraph tests record a number of different bodily responses which can then be used to determine whether someone is telling the truth.

A polygraph is commonly known as a lie detector but it’s really just a machine with a number of sensors that measure things like heart rate, breathing rate, galvanic skin response and blood ...

But a polygraph is not without its faults, and there have been some notable failures where the consequences have been tragic. So, what exactly is the truth behind the making of this ingenious ...

This sounds straight out of a movie but the technology involved in search of truth is not new. The polygraph test has been around for a while, it uses three major indicators to detect lies ...

A polygraph ... were lies. But those who used the tool determined that a whopping 58 percent of statements were wrong, a massive spike in the accusation rate. "This finding supports the truth ...

What has been your experience in your law practice with the polygraph? Do you believe that it accurately can detect who is telling the truth ... Until 1988, lie detectors were routinely used ...