Operation Gatekeeper
The Rise of the 'Illegal Alien' and the Remaking of the U.S.-Mexico Boundary
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Operation Gatekeeper (U.S.)United StatesGovernment policyUnited States. Immigration Border PatrolIllegal aliensBorder patrolsGrenzeEstados UnidosIllegale EinwanderungOperation Gatekeeper (Estados Unidos)GrenzpolizeiU.S. Border Patrol