I think some certain areas still are higher organized crime controlled. Such as the Italian Mafia, Russian organized crime and other criminal organizations. And gangs don't step inside there, because they know they'd be destroyed if they would do that.

Such as nowdays Brighton Beach, I think there was some shooting by blacks a year or two ago, but that's the only thing. But everyone else knows it's a Russian mafia infested place and any beef made by gangs there would cause them all to be eliminated.