"This guide serves as an introduction to risky facilities and shows how the concept can aid problem-oriented policing efforts by providing answers to the following key questions: What are risky facilities? How widespread are risky facilities? How is the concept of risky facilities different from hot spots and repeat victimization? How can the concept of risky facilities assist problem-oriented policing projects? How can risk be measured? How is the concentration of risk among facilities calculated? Why do facilities vary in risk? How are risk factors identified for a particular group of facilities? How can risk be reduced?"
Problem-Oriented Guides for Police, Problem-Solving Tools Series No. 6
Office of Community Oriented Policing Services: http://www.cops.usdoj.gov/