Citizen Law Enforcement Analysis and Reporting
Citizen Law Enforcement Analysis and Reporting, also known as CLEAR, is a system of relational databases used by the Chicago Police Department (CPD) in Chicago, Illinois. These databases allow law enforcement officials to easily cross-reference available information in investigations and to analyze crime patterns using a geographic information system (GIS).
Source: Wikipedia — Citizen Law Enforcement Analysis and Reporting (CC BY-SA 4.0)