So it kind of gets the reporters off their backs, like, 'Ooh, they're making progress on the case!' 10-0 - Use caution; 10-4 - ⦠The long-used R.I.C.E. Police jargon is the specialized language (terms or expressions) primarily used in the line of police duty, law enforcement, and criminal justice. method may not be the best way to treat an acute injury. definition of terms xx chapter i â general principles of investigation 1.1 definition of investigation 1-1 1.2 protocols in investigation 1-1 1.3 tools of an investigator in gathering facts 1-6 1.4 phases of investigation 1-7 1.5 standard methods of recording investigative data 1-7 Police and FBI Acronyms, Codes and Terminology Used In the Michael Connelly novels. Ten Codes for Police. Some of these abbreviations and acronyms can be found in booking reports, police reports, or used as conversational shorthand between law enforcement officials. Police Radio 10-Codes. Richard Kalk, a former police officer and founder of the LAPD Historical Society, says many terms and phrases ⦠PSU - Police Support Unit is a team of officers trained in public order and are used in major incidents, support other officers and bashing in doors with the Big Red Key (see later). It could be a mistype of PIO, which usually refers to the public information officer. Ten-codes, also known as 10-codes or ten signals, are code words used by many police officers to aid with voice communication. Gang Acronyms offers the ethnicity, abbreviations, acronyms, and ⦠"One, so police and federal agents could tell reporters, 'Well, we have a person of interest.' Person of interest definition is - a person who is believed to be possibly involved in a crime but has not been charged or arrested. Our extensive collection of U.S. Instead of funding a police department, a sizable chunk of a city's budget is invested in communities, especially marginalized ones where much of the policing occurs. The codes were originally developed in 1937 to allow for brevity, clarity, and standardization of messages transmitted over radio channels. The word âtenâ tells police that the next number or set of numbers is a code for something. There are jargon words associated with every profession, but police jargon is one of the most interesting types of jargon. Since there is no universal set of ten codes, these are examples of what they mean in some cases. And âthe tubeâ is a police shotgun. Most people are familiar with simple 10 codes for police, like 10-4. POI can mean âperson of interestâ in a criminal investigation, or it could mean âpoint of impactâ in a crash investigation. Police Jargon Words, Slang, Lingo, Codes. 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