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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]
Police code. 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 ...
An all-points bulletin ( APB) is an electronic information broadcast sent from one sender to a group of recipients, to rapidly communicate an important message. [1] The technology used to send this broadcast has varied throughout time, and includes teletype, radio, computerized bulletin board systems (CBBS), and the Internet. [2]
Local usage details (LUD) are a detailed record of local calls made and received from a particular phone number. [1] These records are regularly available to police in the United States and Canada [2] with a court order, and were traditionally subject to the same restrictions as telephone tapping . In the United States, LUDs may be legally used ...
In the United States, response codes are used to describe a mode of response for an emergency unit responding to a call. They generally vary but often have three basic tiers: Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary ...
The Los Angeles Police Department (LAPD), the primary law enforcement agency of Los Angeles, California, United States, maintains and uses a variety of resources that allow its officers to effectively perform their duties. The LAPD's organization is complex with the department divided into bureaus and offices that oversee functions and manage ...
A call for service ( CFS, also known as a job, hitch, incident, callout, call-out, or simply a call) is an incident that emergency services or public safety organizations (such as police, fire departments, and emergency medical services) are assigned to resolve, handle, or assist with. Operationally, a call for service is any incident where ...
187 (slang) Section 187 (often referred to in slang simply as 187) of the California Penal Code defines the crime of murder. The number is commonly pronounced by reading the digits separately as "one-eight-seven", or "one-eighty-seven", rather than "one hundred eighty-seven". The number "187" has been used by gangs throughout the United States ...