Just a bit more about MTG's hero, George O'Toole. He was not an "ex-CIA agent." He was a CIA computer specialist for less than three years during the period 1966-69. He became a freelance author and wrote some fairly successful books, including a supernatural spy novel in which a deceased Russian spy reveals secrets through a psychic medium. He became a gung-ho CTer. His principal CT-oriented book, The Assassination Tapes, was reviewed thusly in Polygraph, the journal of the American Polygraph Association (Vol. 6, No. 1, March 1977):[SNIP]
I'd bet good money you haven't even read O'Toole's book, and thus you don't know that he presents an extensive discussion on studies on the reliability of VSA (aka PSE) polygraphs. Dr. David Scheim, who holds a doctorate in mathematics from MIT, has said the following about VSA/PSE polygraphs:
. . . the Psychological Stress Evaluator (PSE), a lie-detector device that measures stress by voice pattern analysis. Demonstrated reliable in several tests, it is used by hundreds of U.S. law enforcement agencies and accepted as evidence i more than a dozen states. (
Contract on America, 1988, p. 160)
You can find plenty of "scientific research" that says that the traditional polygraph, the "Psychophysiological Detection of Deception" (PDD) polygraph, i.e., the test where they put wires on you, is "subjective," "unreliable," "unsound," etc. Similarly, you can find, as you have done, studies that make the same claim about the VSA/PSE polygraph. PDD and VSA/PSE polygraph defenders argue that the there are questions about the methods and objectivity of the anti-polygraph studies, and that some of the people involved with those studies harbored a strong bias against the use of any kind of lie-detection device.
I happen to know from my many years in military intelligence that at least two U.S. intelligence agencies use the VSA/PSE polygraph for in-person and remote lie detection/truth evaluation. Some police departments also use it. Police detectives in Sanford, Florida, used it in the George Zimmerman case in 2013, and the evidence indicates it was reliable.
I encourage interested readers to read O'Toole's chapter and appendix, totaling 30 pages, on the reliability of the VSA/PSE polygraph.
Finally, a word about George O'Toole himself. As usual, since O'Toole reached the conclusion that JFK was killed by a conspiracy, Lance Payette seeks to minimize his qualifications, describing him as "a CIA computer specialist." Actually, he was a bit more than a computer specialist, although that in itself is a valid, relevant qualification. O'Toole served as the chief of the CIA's Problem Analysis Branch. He specialized in ways to use electronic information processing technology to solve issues in intelligence analysis. After leaving the CIA, he worked with NASA and on a variety of defense projects for a number of years. This was all before he wrote
The Assassination Tapes, which is a serious, credible work on the JFK case (of course, Payette doesn't like it because it presents evidence he doesn't want to believe--and, again, I'd bet good money that he hasn't even read it).