I Remember Piazza Fontana
Io ricordo. Piazza Fontana (original)
A documentary-fiction that reconstructs the complex procedural path followed by the 1969 massacre through the point of view of Francesca Dendena, daughter of one of the victims and President of the Family Association of the victims of the Piazza Fontana massacre.
Starring Giovanna Mezzogiorno, Nicole Fornaro, Stefano Fregni, Roberto Della Rocca, Simone Gandolfo, Andrea Bonella
It's a documentary and history movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.