I usually talk about Pasolini with my students as a teacher and when I've known David Grieco and his movie "La Macchinazione" I immediately bought his book edit by Rizzoli and invited my students to watch the film. So we had passionate discussions about Pasolini's death: the film gave us a valid interpretative perspective supported both by meticulous documentary research and by sources of direct information. Many thanks from us to David Grieco: his well structured film has a high formal and expressive level. It helps to reflect on a complex and delicate matter and it makes us more aware about the facts of which Pasolini was the protagonist and victim.