Ernö Metzner, the art director for G. W. Pabst’s Pandora’s Box (1928), himself co-wrote (along with Grace Chiang) and directed Police Report: Assault. Although the film’s protagonist is a coin, I will refer to the pop-eyed man who picks it up off the street as the protagonist; but when the police at the last ask him to identify whoever assaulted him and he imagines the coin spi...