NYC allows any person classified as a "celebrity" or the "elite" to possess a concealed carry permit: Joan Rivers, Donald Trump and his son, Martha Stewart's daughter, a radio personality, a well known hedge fund manager who doesn't even live in the city, David Wright of the Mets etc. See, Bloomberg believes there are the haves and the have nots and only the Haves can be trusted with a firearm.
The strict Sullivan Law in NY was passed at the turn of the century by a very corrupt politician called Timothy Sullivan. His aim was to issue gun permits to his thugs while keeping them out of the hands of his rivals. It was then open season after he disarmed his rivals.