Acoustic Evidence Archives

A Documentary Does Justice to Tink Thompson, the First Scholar of JFK’s Assassination

Jefferson Morley December 9, 2021

Don’t let the dumb subtitle put you off. This is not a documentary about “conspiracy.” ” Produced by the ABC News affiliate in the Bay Area, JFK Unsolved is a quality production that explores and explains Last Second in Dallas, the new book by Josiah (“Tink”) Thompson that sums up his 50 years of investigation of the death of John F. Kennedy. Thompson’s work is, in a word, rigorous.

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And a note on Gary Mack

Jefferson Morley October 21, 2015

From a faithful reader: “Gary used his expert knowledge with uncommon grace and skill – not only with his co-workers (of higher and lower rank), but with the media (thanks in part to his own radio/TV experience)….. …

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Former HSCA counsel Al Lewis dies

Jefferson Morley March 23, 2015

A faithful reader passed along this obituary of Al Lewis, former general counsel of the House Select Committee on Assassinations (HSCA): Lancaster attorney, who died Monday, took part in JFK investigation – LancasterOnline.

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Is there an audio recording of the JFK assassination?

Jefferson Morley October 15, 2013

Larry Sabato says no, and will make his case at the Newseum later today.

Dr. Randolph Robinson of Cookeville, Tennessee, says yes. He makes the case in a new presentation called, “Mathematical Synchronization of Zapruder Film and Dallas Police Department DictaBelt.”

Welcome to the “acoustics evidence,” the epicenter of one of those fierce polemical storms that plague discussions of JFK’s assassination. Sorting out who to believe is not easy.

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Sabato’s JFK book takes aim at the ‘acoustics evidence’

Jefferson Morley October 14, 2013

As reported in Politico, pundit Larry Sabato’s new JFK book discounts the idea that the sound of the gunfire that killed JFK was recorded.

I’ll be speaking in a panel discussion of the book, “The Kennedy Half Century” at the Newseum here in Washington at 10 am on Tuesday. You can watch the event live registering here.

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Josiah Thompson explains the six seconds in Dallas

Jefferson Morley April 30, 2013

In this video Josiah (“Tink”) Thompson, author of “Six Seconds in Dallas,” who went on to a long career as private investigator, explains how a sound recording from Dealey Plaza matches up with the Zapruder film.

Thompson does not address serious questions that have arisen about the validity of the acoustical evidence. We will explain and explore these questions in future posts.