TY - DATA AU - Wasem,Ruth Ellen ED - Library of Congress. TI - Immigration: visa security policies T2 - Report / Congressional Research Service PY - 2018///?]- CY - [Washington, D.C.] PB - Congressional Research Service KW - Visas KW - Government policy KW - United States KW - Emigration and immigration law KW - National security KW - Aliens N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; earliest version dated 2015; Report includes color illustrations; CRDP Program record; Report includes bibliographical references UR - https://purl.fdlp.gov/GPO/gpo126970 ER -