123Movies. Documentary - tember 11th... Pearl Harbor... the assassination of JFK. Days that forever changed America. But the Kennedy assassination is different: 50 years after it happened, most Americans think we don't know who did it. Now History has conducted the largest nationwide survey ever attempted on the topic to learn exactly what the country believes. Who do Americans suspect was really responsible for JFK's death? - Jonathan Adams, Vincent Bugliosi, Z. Dieterich