Introduction: Dare for More Citizen Participation!.- Contested Future.- Participation - a Panacea for Police Work?.- What is Citizen Participation?.- Current Developments: Citizen Forums, Online Surveys, Local and Neighborhood Security Walks, and Cooperative Security Partnerships.- Foundations for Participation Processes - How Does the Police Achieve Them?.- Action Approaches for Police Participation Practice.- What Can Citizen Participation Contribute to Police Work?.- Outlook.