Revealing mistake: During the final fight scene in the bomber's apartment, Chan picks up a TV and smashes it on the guy on the floor. When he picks up the TV, there are no cords connected to it at all. No power cord, no cable wires, nothing. (01:36:25)
Revealing mistake: When Hennessy is confronting McGrath, he shoots 3 bullets from his pistol and also hits him in the face with the butt of the gun. There is no magazine/clip in the pistol. (01:19:30)