The social crime prevention focuses on family support, school delinquency programs, youth development, employment, health policy, and urban planning and housing policies. Situational crime prevention includes target hardening through physical security, building and design codes, and publicity campaigns; property marking, surveillance, neighborhood watch, citizen patrols, and other measures that influence the costs and benefits of committing an offense; and crime prevention through housing policy, community development, efforts to integrate youth into society, interagency cooperation, and community policing.