Immigration and Naturalization Service(redirected from U.S. Immigration and Naturalization Service)
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|Noun||1.||Immigration and Naturalization Service - an agency in the Department of Justice that enforces laws and regulations for the admission of foreign-born persons to the United States|
Department of Homeland Security, Homeland Security - the federal department that administers all matters relating to homeland security
United States Border Patrol, US Border Patrol - the mobile law enforcement arm of the Immigration and Naturalization Service that detects and prevents illegal entry of aliens into the United States