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A police radio 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 ...
The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [ 1 ] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow brevity and standardization of message traffic.
Voice procedure communications are intended to maximize clarity of spoken communication and reduce errors in the verbal message by use of an accepted nomenclature. It consists of a signalling protocol such as the use of abbreviated codes like the CB radio ten-code, Q codes in amateur radio and aviation, police codes, etc., and jargon.
The use of automobiles to evade law enforcement has existed for about as long as the automobile itself; newspaper reports of police chases involving automobiles and motorcycles date back to the 1900s and 1910s. [1] [2] During Prohibition in the United States, bootleggers and moonshine runners often engaged in high-speed chases with police.
The Finnish Army and police actively searched for them, and if discovered, a firefight often ensued. [57] The Finnish Communist Party was able to operate among draft evaders. [ 55 ] [ 58 ] Sixty-three death sentences were handed out to deserters; however, many of them were killed in military or police raids on their camps.
Police officers cannot detain someone on the street just because that person acts furtively to avoid contact with them, the California Supreme Court ruled Thursday.
PIT maneuver diagram (animated GIF image) California Highway Patrol cruisers using a PIT maneuver to disable a fleeing vehicle The PIT maneuver (precision immobilization technique [1]), also known as TVI (tactical vehicle intervention), is a law enforcement pursuit tactic in which a pursuing vehicle forces another vehicle to turn sideways abruptly, causing the driver to lose control and stop. [2]
IC codes refer to a police officer's visual assessment of the ethnicity of a person, and are used in the quick transmission of basic visual information, such as over radio. [4] They differ from self-defined ethnicity (SDE, or "18+1") codes, which refer to how a person describes their own ethnicity. [ 4 ]