"Dealing With Crime and Disorder in Urban Parks reviews how a park's design, maintenance, and policing can affect its crime and disorder problems. This guide also makes recommendations to help police take an important leadership role in reclaiming an urban park and ensuring that its facilities can once again benefit a broad spectrum of citizens."
Problem-Oriented Guides for Police, Response Guides Series No. 9
Office of Community Oriented Policing Services: http://www.cops.usdoj.gov/