Original reporting and commentary about polygraphs, voice stress analyzers, and other purported "lie detectors."
The National Institute of Truth Verification, which markets a voice-based “lie detector” called the Computer Voice Stress Analyzer (CVSA), has hired disgraced ex-cop Jerry W. Crotty II to serve as its “Director of Law Enforcement Operations”: NEW DIRECTOR OF LAW ENFORCEMENT OPERATIONS NITV Federal Services (NFS) is pleased to welcome Detective Jerry Crotty as its …
AntiPolygraph.org has obtained a copy of a 2005 PowerPoint presentation prepared by former U.S. Army Criminal Investigation Command (CID) Supervisory Agent and American Polygraph Association past president and past chairman of the board of directors Milton O. “Skip” Webb, Jr. Titled “Nailing the Pre-Test Interview: The key to reducing no opinion tests,” this presentation has …
Among the topics addressed in the 26 June 2018 episode of the Witswatersrand (Wits) University radio program and podcast “The Science Inside” was polygraph “testing.” Those interviewed for this segment by program editor Elna Schütz include Niel Visser, a retailer who has been subjected to workplace polygraph “testing,” Clifton Coetzee, a practitioner of a variety …
Search DuckDuckGo for “polygraph” and you’ll find AntiPolygraph.org, which hosts more documentation on polygraphs than any other site on the Internet, in the top 10 results. The same is true for searches on “polygraph” with Microsoft’s Bing search engine (in the United States), with Russia’s Yandex search engine, and with the open-source searX search engine. …
In 2017, U.S. Customs and Border Protection, unable to fill available positions because of the agency’s roughly 70% pre-employment polygraph failure rate (1 MB PDF), began a “pilot program” whereby instead of using the probable-lie Law Enforcement Pre-Employment Test (1 MB PDF) technique used by other federal law enforcement agencies, CBP applicants would instead be …
On 23 August 2017, the U.S. Department of Justice indicted former CIA employee Joshua Adam Schulte for receipt, possession, and transportation of child pornography dating back to 2009. In 2010, Schulte sought and obtained employment with the CIA. All CIA applicants are required to pass a pre-employment polygraph as well as periodic polygraph screening after …
AntiPolygraph.org has today published the National Center for Credibility Assessment’s “Test Data Analysis: Numerical Scoring System Pamphlet” dated August 2017 (488 kb PDF). A note before the table of contents details the changes made over the years: Note: The content and substance of this pamphlet was officially approved on 23 Aug 2006. In March 2011, …
AntiPolygraph.org has today published a collection of documents associated with the National Center for Credibility Assessment’s training courses on polygraph countermeasures. These documents, which date to circa 2013, describe the U.S. government’s best efforts to detect polygraph countermeasures. Key revelations include: In a secret 1995 study, 80 percent of test subjects who were taught polygraph …
Gordon H. Barland, Ph.D. worked at the Department of Defense Polygraph Institute (now the National Center for Credibility Assessment) from 1986 until his retirement in 2000. During this period, he conducted research on polygraph countermeasures, and by his own estimation, “[p]rior to his retirement from DoDPI, he was the Federal Government’s primary authority on polygraph …
True crime vlogger Alyssa Nicole explains the history of the pseudoscience of polygraphy and why it’s not to be trusted: