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Law enforcement in the United States
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Private police Police dispatcher Coroner Medical examiner Medical jurisprudence List of unarmed African Americans killed by law enforcement officers in the United States
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v t e

In the United States, county detectives or district attorney investigators are peace officers employed by the district attorney's office of their respective county. County detectives generally exist in the Northeastern United States, such as New Jersey and Pennsylvania, where the county sheriff primarily performs court-related duties.^[1] Other jurisdictions may refer to them as district attorney investigators. ^[2]

^ Sheriff History – Pennsylvania Sheriffs' Association
^ "San Diego District Attorney, Bureau of Investigation, District Attorney Investigator Jobs" Archived 2018-05-13 at the Wayback Machine, Official website of the San Diego District Attorney, access date: 12 May 2018.