__________<quoted text>they did not try to curb.
New York City police did try to curb.
New York City police had police patrols. Police officers in uniform on foot & in police cars. Undercover police.
New York City police cannot be covering every area at once. It is impossible. There isn't enough police to be covering every area.
With the knockout game.--------
You have African American (Descendants of black American slaves) thugs in a group with numbers on their side. They look around for no police. They look around for a couple or one person. The African American thugs attack.
What can the New York City police do about that? In as to preventing it?
The African American (Descendants of black American slaves) thugs have the advantage.