Introduction How to use this book Part 1: Analysis Smart policing gets a boost from enterprise GIS St. Petersburg Police Department Collaborating to address crime that arrests alone won't solve Philadelphia Police Department Sharing maps, apps, and dashboards to improve public safety St. Louis Police Department Enhancing strategic planning and crime analysis with data analytics Altoona Police Department Part 2: Operations Saving time and money by increasing field data collection efficiency Redlands Police Department Purpose-driven apps save time, help officers focus on solving crimes Houston Police Department Deploying an app to track fugitives San Juan County Sheriff Adopting digital apps to secure the state fair Illinois State Police Planning and managing security for a train celebration Ogden City Police Department Securing the World Series with real-time technology Cobb County, Georgia Part 3: Citizen engagement Using maps and apps to strengthen community-based policing Toronto Police Service Mapping Canada's missing children to quickly reunite them with family Missing Children Society of Canada Building trust with an online transparency hub Evanston Police Department Apps help provide targeted assistance to people experiencing homelessness San Bernardino County Sheriff's Department Spatial analysis of opioid use gets lifesaving medicine to the right places University of Tennessee at Chattanooga Next steps.