A Political Strategist’s Explosive Take on JFK’s Assassination: Roger Stone’s ‘The Man Who Killed Kennedy’ Shakes Up Historical Narratives. Within the political literature genre, “The Man Who Killed Kennedy: The Case Against LBJ” by Roger Stone is one of his most controversial works because it challenges many previously established historical facts and gives birth to multiple debates. Known for his work with several Republican politicians, Mr. Stone is a highly skilled political strategist who offers a very challenging analysis of what is known as one of the most significant events in U.S. history: the assassination of President John F. Kennedy.