The film is based on Detective Chuck Adamson’s pursuit of serial criminal Neil McCauley in the 1960s. According to the featurettes Pacino, DeNiro and the Conversation and The Making of Heat: True Crime, included in the special-edition DVD, which includes a taped interview with Adamson, the scene of McCauley and Hanna in the restaurant was also based on a real event. Adamson met the real McCauley in a coffee shop and openly discussed the possible course of future events. The scene in which McCauley abandons