Continuity mistake: When Jerome get stabbed in the neck, in the first shot the blood comes from his mouth and goes towards his eye. In the next shot, there's no blood trail going to the eyes, but instead to his cheeks. (00:34:50)
Gordon's apartment has a clock design on a window in his apartment. In the comics, his daughter, Barbara, used a clock tower as her base of operations as the crime fighter and information broker, Oracle.