Original reporting and commentary about polygraphs, voice stress analyzers, and other purported "lie detectors."
Bloomsburg, Pennsylvania Press Enterprise writer Michael Reich reports on Computerized Voice Stress Analysis (CVSA). Excerpt: HAZLETON — When someone lies to police here, a “truth verification” machine might be able to sense the fib by recording changes in a person’s voice. Hazleton Police Chief Edward Harry says the machine has led to confessions in 75 …
Margie Wylie reports for the Newhouse News Service in a well-researched article on CVSA. Excerpt: Police departments across the country are buying the controversial Computer Voice Stress Analyzer, which its manufacturer claims can tell when a person is lying merely by the sound of his voice. When a suspect speaks, a computer program “listens” for …
Moira Gunn writes on “Computer Voice Stress Analysis” (CVSA) for SiliconValley.com. Excerpt: Here’s what I call scary technology. Ever hear of a `voice stress analyzer`? It’s almost exactly what it says it is. It’s a technology that purports to measure a selection of inaudible characteristics of the human voice. Of course, it’s the `analyzer` part …
Sean Webby of the San Jose Mercury News reports. Excerpt: Bay Area police departments are snatching up one of the latest technological tools in crime-solving — a computerized voice analyzer that’s supposed to determine when the bad guy is telling a lie, just by the sound of his voice. But critics say this $10,000 device …
In an article entitled, “New equipment will give police edge on liars,” staff writer Erin Howard of the northwest Indiana Times reports. Excerpt: MERRILLVILLE — Lie detection is one of many methods police use to solve criminal cases, and the Merrillville Police Department will soon have the latest lie detector technology at its disposal. The …