Jim Marrs is a John F Kennedy Assassination research who believes that the number of Jews who died in the Holocaust has been over-stated.
Jim Marrs authored "Crossfire".
One of the best works of Jim Marrs was his expose On Gerald Posner in Paranoia Magazine, which, according to Michael Collins Piper's sixth edition of Final Judgment, he wrote because,
"Marrs was upset by the way the mainstream media promoted Posner's book on the 30th anniversary of the JFK assassination. It was then obvious (as it is today) that the media does want the public to believe that the JFK affair is a "case closed."