U.S. Citizenship and Immigration Services (USCIS) is the government agency that oversees lawful immigration to the United States.
USCIS will secure America’s promise as a nation of immigrants by providing accurate and useful information to our customers, granting immigration and citizenship benefits, promoting an awareness and understanding of citizenship, and ensuring the integrity of our immigration system.
Immigration and Customs Enforcement (ICE) is a United States federal law enforcement agency under the Department of Homeland Securty (DHS), responsible for identifying, investigating, and dismantling vulnerabilities regarding the nation's border, economic, transportation, and infrastructure security.