Does the NYPD do a good job or bad job of learning and working with persons of other cultures, faiths and ethnicities etc?

1.Does the NYPD do a good job or bad job of learning and working with persons of other cultures, faiths and ethnicities etc?
brifly answer these two questions in a few sentences sperately2a.Prof-what are some stereotypes about terrorists? (answer here)2b.Prof-why is terrorism such a problem? (answer here)