PERRYVILLE — Polygraph tests have long helped police agencies determine if suspects are telling the truth. But Perry County, Mo., detective Brian McCain is convinced voice analysis is even more ...

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 ...

PHILADELPHIA (AP) – 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 ...

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® ...

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 ...

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 ...

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, ...

WEST PALM BEACH, Fla., Nov. 1, 2019 /PRNewswire/ -- NITV Federal Services (NFS) and the National Association of Computer Voice Stress Analysts (NACVSA) report that a record number of law enforcement ...

FORT LAUDERDALE, Fla. — Someone is not telling the truth. It’s either the polygraph industry behind the age-old lie detection equipment, or it’s the makers of the newer voice-stress test technology.