The JFK “Head Shot” Paradox* by Jim Fetzerby Ralph Recently by Jim Fetzer: The Place of Probability in Science As a philosopher of science with a keen interest in the nature of scientific knowledge, I have been fascinated by the recent book by G. Paul Chambers, Head Shot: The Science Behind the JFK Assassination (2010). I have found several aspects of his discussion of interest, including his conclusion—that the fatal shot to JFK’s head seen in the Zapruder film…