Leo is interviewed by the detectives as a possible suspect but, after Loman arrives, Leo is ushered into an adjoining room within earshot of their conversation - contrary to all police protocol.
When Carol goes to Inspector Rogers' office to plead for Leo, the reflection of some equipment gliding-by is reflected in the glass of the picture above the fireplace.
After the scene where Leo is about to have his wrists crushed by a printing press, the film fades to the next scene where he is in Lang's living room, but inexplicably he is still in possession of the luggage ticket whose whereabouts had been the object of the presumed torture.