The main character of the movies buys a pistol that is a 1911 Colt, which fires the .45 round. However, when the police show up at the warehouse, and see the shell casings, they mention as belonging to a .38.
Ted Dekker, author of the novel this movie was based on, liked to hide three scratches (like the book's cover) on set for crew and cast to find. Sometimes he hid the scratches on the on-screen set for the camera to catch and for the audience to find. How many can you find? I can find seven.