Among the most heinous criminal acts ever committed on American soil is the assassination of United States President John F. Kennedy on November 22, 1963. When accused gunman Lee Harvey Oswald was himself shot to death two days later while in police custody, Americans were denied hard answers to a brutal and bewildering mystery. ON TRIAL: LEE HARVEY OSWALD recalls all of the surviving witnesses to determine the guilt or innocence of the man believed to have murdered JFK. First broadcast by the Showtime cable network in 1986 to mark the 23rd anniversary of the assassination of John F. Kennedy, ON TRIAL: LEE HARVEY OSWALD is a daring, one-of-a-kind experiment with the goal to heal a nation. November 22nd, 2008 marks the 45th anniversary of JFK s assassination. Features prosecuting attorney Vincent Bugliosi and defending attorney Gerry Spence, two of the most publicly revered legal minds of the 20th century.