...community involvement and funding. Putting a policeman in every block is expensive and still likely not enough. Citizen deputies with unlimited carry permits would help. Issuing billy clubs to honest citizens, pepper spray to honest citizens, defense and retention lessons given to honest citizens...put enough people on the street with balls and means to stop criminals in the act, either by subduing and retaining the perp or leaving the perp dead on the scene.There is a method known as Community Policing which can be very effective. Cops are assigned to neighborhoods and walk a beat. They get to know the people - and develop relationships with honest ones who would like to see crime reduced. The visible presence sends a message to criminals that they have a higher likelihood of being caught - and one to the law-abiding folks that the police are there to provide a layer of protection. That layer is dependent, however, upon community involvement.
That's why the honest citizens should be armed and trained.Unless the honest people take a stand to transform their neighborhood, the police or national guard are only window dressing. Once they leave, it will revert back to whatever the particular pathologies were driven by the criminal element.