Search results for «cvsa»
Oklahoma Study Finds Voice Stress Analysis “Testing” No Better Than Random Chance
The National Institute of Corrections has published a research study on voice stress analysis (VSA) conducted by the Oklahoma Department of Mental Health and Substance Abuse Services with support from the National Institute of Justice. From the abstract (emphasis added): …The goal of this study was to test the validity and reliability of two popular …
Department of Defense Polygraph Program Gets Makeover
Steven Aftergood reports in the Federation of American Scientists’ Secrecy News newsletter & blog that on 25 January 2007, the Department of Defense issued a new directive governing polygraph policy: The Department of Defense has revised and supplemented its polygraph program to include non-polygraph techniques for detecting deception. A new Pentagon directive (pdf) introduces the …
Lie Catchers Stand by Their Polygraphs
Christian Toto writes for the Metro section of today’s (29 June 2006) Washington Times in “Lie catchers stand by their polygraphs.” The article is cited here in its entirety, interspersed with commentary: Detective Leonard Keeler developed the first lie detector — or polygraph — test in the 1930s, and the machines used today are not …
Tremors of the Trade
Retired NYPD detective Warren J. Sonne writes for Officer.com in an article titled, “Tremors of the Trade: Investigative Tool or Troublesome Black Magic?” Excerpt: Over the past decade, police departments all over this country have lined up to purchase Voice Stress Analyzers. In a country that has placed restrictive rules of law on the police …
Moscow Airport Says Passenger Screening Device Doesn’t Detect Lies: It Reads Minds
On 6 April 2006, Adrian Blomfield of the Daily Telegraph reported that Moscow’s Domodedovo Airport would soon begin requiring passengers to submit to voice-based lie detector “testing” in an attempt to identify terrorists and drug smugglers. The device, Nemesysco’s GK-1 Security Access Control System, is completely unsupported by any peer-reviewed scientific research whatsoever. Now, in …
“Interrogation Machine’s Maker Settles Crowe Suit”
San Diego Union-Tribune staff writer Onell R. Soto reports. (The National Institute for Truth Verification, which markets the Computer Voice Stress Analyzer (CVSA), had earlier admitted in court that their device is not capable of lie detection, but continues to suggest otherwise on its website): The maker of a machine police used while interrogating the …
“Crowe Family Can Sue Makers of Lie-Detector Test”
North County Times reporter Teri Figueroa reports on a lawsuit involving the National Institute of Truth Verification, which markets the “Computer Voice Stress Analyzer”: SAN DIEGO —- A federal judge ruled Monday that three teenagers initially accused of killing Stephanie Crowe can sue the makers of a voice analyzer test that police used to gauge …
“Women in Athens Police Sex Case Pass Portions of Lie Detection Test”
Decatur Daily staff writer Holly Hollman reports on the use of Computer Voice Stress Analysis (CVSA) in Athens, Alabama: ATHENS — Females alleging they had sexual relations with Athens police officers passed portions of a lie detection test, Mayor Dan Williams said. The mayor said the women, former Athens City Jail inmates, took a computer …
“Voice Technology Has a Say When the Truth Counts”
Bill Bishop of the Eugene, Oregon Register-Guard reports. Excerpt: The mysterious murder of Cottage Grove resident Anita Cantu Lemmon in March brought sheriff’s investigators to their usual starting point: the next of kin. But this time they had a new investigative tool, a Computer Voice Stress Analyzer, or CVSA. Touted as the next generation lie …
Mississippi: “Bill Would Ease Lie Detector Rules”
Geoff Pender reports for the Sun Herald: JACKSON – A bill before the House would more clearly give law enforcement officers permission to use the latest in “lie detector” technology. Many police departments in Mississippi, including Biloxi’s, already use computerized voice stress analysis equipment, instead of the older Polygraph machines, for hiring interviews and questioning …
Canada: “Cops Praise New Lie-Detector”
Ajay Bhardwaj reports for the Edmonton Sun. Cops and the City of Camrose are lauding a new lie-detector-type tool even though critics say it gives police the power to intimidate people accused of committing crimes. The computer voice-stress analyser (CVSA), which purports to pick up tremors in the voice when a person is lying, is …
Canada: “Lie Detector ‘Useful Interrogation Prop'”
Canada.com reports: VANCOUVER (CP) – Lie detector technology less costly than controversial polygraphs is catching on among smaller Canadian police forces, scaring some doctors who say it’s even less reliable. The computerized voice stress analyser (CVSA), which purports to pick up tremors in the voice when a person is lying, “isn’t more than 50 per …
“Is This Lie Detector Telling the Truth?”
Christina Lewis reports for Court TV. Excerpt: (Court TV) – Richard Allen Nicolas’ story seemed suspicious. An unknown gunman shot at his car, killing his 2-year-old daughter, Aja. Plus, police found that his muffler was cold, although Nicolas said he had been parked a short time. But police had little hard evidence against Nicolas until …
“Equipment Tests Voice for Honest”
Chery Sabol reports for the Daily Inter Lake of Kalispell, Montana uncritically reports on “Computerized Voice Stress Analysis” (CVSA). Excerpt: It sounds metaphysical. Without ever laying eyes on you, detective Lance Norman of the [Flathead County] sheriff’s department believes he can tell if you are lying. Spoken answers reveal to him ‹ directly, on the …
“Glynn County Police Like Voice Stress Lie Detector; Others Not So Sure
The Associated Press reports on Glynn County, Georgia’s use of and professed belief in “Computer Voice Stress Analysis” (CVSA). Excerpt: BRUNSWICK, Ga. — Glynn County police have become true believers in a new sort of lie detector that analyzes stress in a suspect’s voice, but other police departments are not convinced. The Computer Voice Stress …
“Voice Analyser Pyramid Points to Truth”
Louise Dickson reports on the first use of Computerized Voice Stress Analysis (CVSA) by Canadian police in this puff piece published in the Victoria Times Colonist. Excerpt: “Did you actually see Ruth shoot Billy?” “Yes,” the suspect replied. “Did you shoot Billy?” “No.” But the image on the computer screen told another story. In this …
“Police Using Voice Stress Analysis to Detect Lies”
Associated Press writer Michael Rubinkam reports on the pseudoscience of voice stress analysis. Excerpt: 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 using a technology that measures “voice stress” — small frequency modulations …
“Lying Technology: Now in Morgan County [Missouri]: New-Age Lie Detector Measures Micro Tremors”
Marsha Paxson gullibly reports on Computerized Voice Stress Analysis (CVSA) for the Lake Sun Leader of Camdenton, Missouri. Excerpt: MORGAN COUNTY – The same type of lie detection machine used to test former President Bill Clinton when he claimed not to have had sex with Monica Lewinksy is now being used in the arsenal against …
“Cops Seek Voice of Truth”
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 …
“Police Use of Voice Stress Analysis Generates Controversy”
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 …