Texas SB 4 and State Immigration Enforcement: Federal Preemption, Arrest Powers, and the Supremacy Clause

Texas SB 4 and State Immigration Enforcement: Federal Preemption, Arrest Powers, and the Supremacy Clause Texas Senate Bill 4, commonly known as SB 4, represents one of the most significant recent attempts by a state to create its own criminal-enforcement mechanism for unauthorized immigration-related conduct. Enacted in 2023, the law Read more

United States Citizenship and Immigration Services (USCIS): A Legal and Administrative Overview

United States Citizenship and Immigration Services (USCIS): A Legal and Administrative Overview I. Introduction The United States Citizenship and Immigration Services (USCIS) is the principal federal agency responsible for administering a large portion of the United States’ immigration benefits system. As a component of the Department of Homeland Security (DHS), Read more

Sanctuary and Anti-Sanctuary Laws: Federalism, Immigration Enforcement, and State Authority

Sanctuary and Anti-Sanctuary Laws: Federalism, Immigration Enforcement, and State Authority Immigration enforcement in the United States is primarily a federal responsibility, but state and local governments regularly interact with federal immigration authorities. This relationship has produced one of the most important federalism debates in modern immigration law: sanctuary policies versus Read more

Illegal Immigration in the United States: Unlawful Entry, Unlawful Presence, and Immigration Enforcement

Illegal Immigration in the United States: Unlawful Entry, Unlawful Presence, and Immigration Enforcement I. Introduction The expression “illegal immigration” is widely used in political discussion and ordinary language, but it does not describe a single legal status or a single violation under United States law. U.S. immigration law instead distinguishes Read more

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