This article discusses Proactive Community Attack on Problems (PROCAP), a crime-prevention program established in Polk County that relies on joint participation from police and community residents. Describes the elements of PROCAP’s success, including accountability and empowerment, data driven service delivery, first-response and problem-solving teams, resource maximization, and problem-fighting tools. Addresses the role of the U.S. Department of Justice’s Community Attack on Problems (COP) program in assisting the county with PROCAP.