TY - DATA AU - Smith,Hillel R. AU - Harrington,Ben AU - Singer,Audrey ED - Library of Congress. TI - Processing aliens at the U.S.-Mexico border: recent policy changes T2 - IF PY - 2019///- CY - [Washington, D.C.] PB - Congressional Research Service KW - United States KW - Immigration and Nationality Act KW - Aliens KW - Mexican-American Border Region N1 - The CRS web page provides access to all versions published since 2018 in accordance with P.L. 115-141; GPO Cataloging Record Distribution Program (CRDP) UR - https://purl.fdlp.gov/GPO/gpo140992 ER -