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.

LEWES, Del., Nov. 6, 2018 /PRNewswire/ -- Innocent people are being exonerated in record numbers as new technologies such as DNA become more sophisticated and the Computer Voice Stress Analyzer (CVSA® ...

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, ...

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 ...

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 ...

It used to be that the most feared instrument in the arsenal of a police investigator was the polygraph, or lie detector machine. Now the most feared thing might be a simple microphone and a laptop ...

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 ...