Who Killed Pasolini?

1975: author and filmmaker Pier Paolo Pasolini's dead body, brutally beaten and ran over by his own car, lays in the outskirts of Rome. Charged with the murder, 17-year-old thug Pino Pelosi confesses having acted in self-defense during a paid sexual encounter gone awry. However, many inconsistencies start to undermine his version, suggesting that he didn't act alone. Was Pasolini also murdered for another reason?