“subcultures” play in delinquency and crime?

In your opinion what role do “subcultures” play in delinquency and crime?   How are cities using C.P.T.E.D. to prevent crime? What role does street furniture play in a cities overall C.P.T.E.D.? What are the C.P.T.E.D. elements used at the USSO/McDonald's in the video?