PHILADELPHIA -- Police want to know if a suspect is lying, but the polygraph test comes back inconclusive. What's an exasperated interrogator to do? Increasingly, law enforcement agencies are using a ...

It is a time-honored interrogation tool and a staple of film noir: the lie-detector test that can incriminate or exonerate. But such tests need not involve strapping someone to a machine. In fact, ...

PERRYVILLE, Mo. -- When Perry County detective Brian McCain was sent four years ago to become a certified user of a Computer Voice Stress Analyzer -- a truth verification device -- he was skeptical.

Described as an “investigative tool” the Computer Voice Stress Analyzer is a 98% accurate lie detector. The Niagara County Sheriff’s Office utilizes the device, Sheriff Michael Filliceti said, to rule ...

Federal Internet Crimes Against Children (ICAC) Task Forces use a device called the Computer Voice Stress Analyzer® (CVSA®) as a form of truth verification, to analyze a suspect's denials to questions ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

MADISON - The city of Jefferson Police Department has canceled a training session on how to use a controversial voice-stress analyzer after the Wisconsin State Journal raised questions about the ...