Il signor Diavolo
Italy, 1952. The young official Furio Momenté is sent to Veneto region, near Polesine, to investigate a shocking and mysterious case: a minor has in fact killed one of his peers claiming to have killed the devil himself.
Starring Gabriel Lo Giudice, Filippo Franchini, Massimo Bonetti, Alessandro Haber, Gianni Cavina, Lino Capolicchio, Eva Antonia Grimaldi, Chiara Caselli, Enrico Salimbeni, Fabio Ferrari
It's a mystery and horror movie, and has a rating of 5.9 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Indonesia.