In this Nov. 23, 1963 file photo, surrounded by detectives, Lee Harvey Oswald talks to the press as he is led down a corridor of the Dallas police station for another round of questioning in connection with the assassination of U.S. President John F. Kennedy. Oswald, who denied any involvement in the shooting, was killed two days later, live on television, in the basement of the Dallas Police Headquarters, by local nightclub owner Jack Ruby. (AP Photo, File)