High Quality Content by WIKIPEDIA articles! Gerald Posner (born May 20, 1954) is an investigative journalist and author of several books, including Case Closed: Lee Harvey Oswald and the Assassination of JFK (1993) which explores the John F. Kennedy assassination, and Killing the Dream: James Earl Ray and the Assassination of Martin Luther King, Jr. A journalism scandal, involving his articles and books, arose in 2010.