[20211130]LSB10362_美国内地的移民逮捕：基础.pdf

CRS Legal Sidebar Prepared for Members and Committees of Congress Legal SidebarLegal Sidebari i Immigration Arrests in the Interior of the United States: A Primer Updated November 30, 2021 U.S. Immigration and Customs Enforcement (ICE), a component of the Department of Homeland Security (DHS), is primarily responsible for immigration enforcement in the interior of the United States. ICE has authority to arrest and detain non-U.S. nationals (“aliens,” as the term is used in federal law) identified for removal because of immigration violations. In recent years, there had been a marked increase in arrests and removals conducted by ICE. As discussed in this Legal Sidebar and as compared to prior administrations, the Trump Administration made enforcement a touchstone of its immigration policy, and ICE generally sought to enforce federal immigration laws against a broader range of aliens who had committed immigration violations. A recalibration of priorities by the Biden Administration has led ICE to focus its immigration enforcement actions on a narrower category of aliens; namely, those who present national security concerns, those who pose a threat to public safety, and those consider