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 ...

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.

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 ...

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® ...

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.

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 ...

Law enforcement and corrections officers have long used the polygraph as a tool to confront a suspect or prisoner in an investigation. The polygraph is inadmissible in courts, but is widely used to ...