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A police code is a brevity code, usually numerical or alphanumerical, used to transmit information between law enforcement over police radio systems in the United States. Examples of police codes include " 10 codes " (such as 10-4 for "okay" or "acknowledged"—sometimes written X4 or X-4), signals, incident codes, response codes , or other ...
The Chicago Police Department ( CPD) is the primary law enforcement agency of the city of Chicago, Illinois, United States, under the jurisdiction of the Chicago City Council. It is the second-largest municipal police department in the United States, behind the New York City Police Department. [3]
Many colleges also have their own campus police that are often sworn police officers. In 2000, Illinois was ranked 4th in the U.S. in the number of full-time sworn officers with 321 per 100,000 persons, behind Louisiana (415), New York (384), and New Jersey (345). In this ranking, only New York had a higher total population than Illinois.
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 ...
Map of the United States with Illinois highlighted Illinois is a state located in the Midwestern United States . According to the 2020 United States census Illinois is the 6th most populous state with 12,812,508 inhabitants but the 24th largest by land area spanning 55,499.0 square miles (143,742 km 2 ) of land. [ 1 ]
Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]
List of political and geographic subdivisions by total area, comparing continents, countries, and first-level administrative country subdivisions. List of first-level administrative divisions by population; List of FIPS region codes in FIPS 10-4, withdrawn from the Federal Information Processing Standard (FIPS) in 2008
3 The population of the city of Mobile, Alabama, includes 55,819 inhabitants from the jurisdiction of the Mobile County Sheriff's Department. 4 Because of changes in the state/ or local agency's reporting practices, figures are not comparable to previous years' data. 5 The FBI determined that the agency's data were underreported. Consequently ...