They don’t have to strike; they can do what they do in NJ: Don;t show up in black areas.
Have you seen the neighborhood in the background of the news coverage? Not a taxpayer in sight, apparently; they don’t contribute for police protection.
That’s what the Muslims want, just as in Europe, they want these areas to become “No Go Zones”, so that the Muslims can move in and take over and establish “Shariah” areas.