The apprehension of criminals by arranging a "Meet the Yankees" breakfast was based on an actual event.
According to the documentary included with the DVD, included in the final cut of the film is a scene where Al Pacino's character gets rudely bumped into on 5th Avenue while trying to court Ellen Barkin's character. According to the director this was an unscripted moment caused by a real New Yorker and not an extra. Pacino incorporates the moment into his performance and continues without missing a beat.
In addition to the deleted scenes from the DVD and the Lorraine Bracco scenes from the TV premiere, the theatrical trailer features a glimpse at yet another scene not in the final cut. In it a guy recognizes Keller and draws a gun on him to which Keller does the same and says "Don't you move!".
The interiors for the movie were filmed in Toronto instead of New York.