The document discusses several law enforcement agencies that have implemented GIS systems. The New Jersey International Association of Chiefs of Police aims to share juvenile justice program information and improve spatial data accuracy. The Bureau of Alcohol, Tobacco, Firearms and Explosives' Firearms Analysis System replaces a manual paper process. Pierce County and the City of Tacoma's Crime Early Warning System enables multi-jurisdictional response and real-time crime notification. The Philadelphia Police Department launched a public web map under a new commissioner to increase transparency while protecting victims.