Original reporting and commentary about polygraphs, voice stress analyzers, and other purported "lie detectors."
The 1991 Department of Defense Polygraph Institute (DoDPI) interrogation manual, Interview & Interrogation (PDF) is among the first documents published by AntiPolygraph.org nearly 20 years ago. Since then, DoDPI has undergone two name changes and is now called the “National Center for Credibility Assessment” (NCCA). AntiPolygraph.org has obtained and now made available the November 2013 …
In 2011, AntiPolygraph.org reported that a consortium of federal, state, and local law enforcement agencies had created a “Polygraph Law Enforcement Accreditation” (PLEA) program and had in 2010 promulgated a 65-page “Polygraph Guide for Standards and Practices,” a copy of which we obtained and published (1.9 MB PDF). The PLEA consortium continues to function and …
The “Test for Espionage and Sabotage” is the primary counterintelligence-scope polygraph screening format employed by the U.S. Departments of Defense and Energy. The procedure is described in detail in a 2016 National Center for Credibility Assessment administration guide (1.2 MB PDF) obtained by AntiPolygraph.org. The guide, marked “For Official Use Only,” sets forth the relevant, …
AntiPolygraph.org has obtained a copy of the National Center for Credibility Assessment’s documentation of the polygraph screening technique “used by federal law enforcement agencies during the pre-employment process.” The 23-page document, dated 3 March 2016, provides instructions for administration of the so-called “Law Enforcement Pre-Employment Test” (LEPET), to which applicants for employment with such agencies …
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 …
AntiPolygraph.org has received an archive of National Center for Credibility Assessment (NCCA) documents about polygraph countermeasures. We begin publication with an undated “white paper” titled “Timeline Detailing the Countermeasures Classification Issue” (288 kb PDF). Metadata in the Microsoft Word version (140 kb DOC) of the document indicates that it was created on 15 August 2012 …
The United States government is so worked up about polygraph countermeasures that it launched an ongoing criminal investigation dubbed Operation Lie Busters targeting individuals who teach others how to pass or beat polygraph examinations. An Indiana electrician named Chad Dixon who taught people how to pass the polygraph as a side job was sentenced to …
Coming on the heels of an accusation that a senior official at the National Center for Credibility Assessment (NCCA) facilitated the transfer of classified information to the government of Singapore via the Lafayette Instrument Company, AntiPolygraph.org has received information that NCCA has provided polygraph countermeasure documentation to a representative of Stoelting Co., another polygraph-manufacturing company. …
A 2013 presentation by the National Center for Credibility Assessment documents that the federal polygraph school is working on a computer software project intended to automate the detection of polygraph countermeasures. It appears that the software does not employ a new approach to countermeasure detection, but rather seeks to “[v]alidate the countermeasure detection features taught …
McClatchy Newspapers investigative reporter Marisa Taylor reports that the National Center for Credibility Assessment (NCCA), which trains all federal polygraph operators, is proposing that certain training and research materials be classified or subjected to limited distribution. An NCCA internal draft memo dated 2 December 2013 obtained by McClatchy notes that “there is almost nothing about …