Department of Homeland Security (DHS)

Definition from Nolo’s Plain-English Law Dictionary

A government agency created in 2003 to handle immigration and other security-related matters. Within DHS's immigration responsibilities, it oversees U.S. Citizenship and Immigration Services (USCIS, which replaced the former Immigration and Naturalzation Service or INS); as well as Immigration and Customs Enforcement (ICE) and Customs and Border Protection (CBP).

Definition provided by Nolo’s Plain-English Law Dictionary.