This documentary by Joe Berlinger and Bruce Sinofsky details the murder trial of Delbert Ward. Delbert was a member of a family of four elderly brothers, working as semi-literate farmers and living together in isolation from the rest of society until William's death.
If you liked this movie, you should also see: Blue Velvet (1986)Paranoid Park (2007)House of Games (1987)Klute (1971)Bowling for Columbine (2002)