U. S. Immigration and Customs Enforcement

Federal Register Link

Immigration and Customs Enforcement (ICE) was created in 2003 pursuant to the Homeland Security Act of 2002. Formed by the merger of the U. S. Customs Service and the Immigration and Naturalization Service, ICE is the principal investigative arm of the U. S. Department of Homeland Security (DHS) and the second largest investigative agency in the federal government. Its primary responsibility is the identification and elimination of border, economic, transportation, and infrastructure security vulnerabilities.