"JFK Jr. had movie star looks, political ambition and a desire to avenge his father's murder. He could not be allowed to challenge America's criminal power elite". When John F. Kennedy Jr.'s plane plummeted into the sea on July 16, 1999, we were told that it was his own recklessness. The Kennedy curse. Don Jeffries investigation, however, determined that it actually was, in fact, another Kennedy assassination.