FactCheck.org on Herman Cain Lie Detector Ad

The non-partisan website FactCheck.org has a well-researched commentary on a new political advertisement in support of GOP presidential candidate Herman Cain that touts his supposed “passing” of a voice stress “test” performed by Atlanta private investigator T.J. Ward. See “Whole Truth About the Cain ‘Lie Detector.’” For additional commentary by AntiPolygraph.org on Ward’s supposed “test,” see “CBS …

Cain Backpedals on Lie Detector, Cites “Layered Voice Analysis”

Republican presidential hopeful Herman Cain has backed off from his declaration at a press conference convened to address allegations of sexual harassment  that he was “absolutely” willing to do a lie detector test. In an interview with Neil Cavuto of Fox News, Cain conditioned his willingness to do a lie detector test on the willingness …

Troy Davis and the Polygraph

Lawyers for Troy Davis, who faces execution by lethal injection at 19:00 hours Eastern time today for the 1991 slaying of an off-duty Savannah police officer, are seeking a polygraph test in a bid to persuade the Georgia Board of Pardons and Paroles to stay the execution. The Davis case has been the subject of much …

Philadelphia P.D.’s Pre-Employment Polygraph Failure Rate Pegged at 63%

In his latest article, Philadelphia Inquirer columnist Daniel Rubin documents the plight of Greg Thomas, an investigator for the city court system who recently failed a Philadelphia Police Department pre-employment polygraph despite, he insists, having told the truth. Rubin notes that since reinstating polygraph screening this year (it had been discontinued in 2002), the Philadelphia …

Kyle Hill on Polygraphy

Skeptic Kyle Hill, a graduate student at Marquette University who maintains the blog Science-Based Life, takes a look at the evidence for polygraphy in “The Polygraph Test: Can Science Tell if You Are Lying?” He compares the claims made by polygraph advocates such as the American Polygraph Association with the findings of the Congressional Office of …

New Law Enforcement Polygraph Handbook

As the American Polygraph Association holds its annual seminar in Austin, Texas this week, one of the topics on the agenda is a program run by a consortium of federal, state, and local law enforcement agencies called “Polygraph Law Enforcement Accreditation” (PLEA). Participating agencies include the Customs and Border Patrol (CBP), the Defense Criminal Investigative …