Information on Mississippi burning

Mississippi Burning is a 1988 American crime/drama film that is about the fbi's investigation into the real-life murders of three civil rights workers in the U.S. state of Mississippi in 1964. The movie is mainly based on two fictional FBI agents (portrayed by Gene Hackman and Willem Dafoe), who investigate the murders that occurs. 'Hackman's character (Agent Rupert Anderson) and Dafoe's character (Agent Alan Ward) are loosely based on the partnership of FBI agent John Proctor and agent Joseph Sullivan.' ( http://en.wikipedia.org/wiki/Mississippi_Burning )