Department of Homeland Security
The Department of Homeland Security (DHS) was established by the Homeland Security Act of 2002, (6 U.S.C. 101 note). The Department came into existence on January 24, 2003, and is administered under the supervision and direction of the Secretary of Homeland Security.
The Department of Homeland Security leads the unified national effort to secure America. It will prevent and deter terrorist attacks and protect against and respond to threats and hazards to the Nation. The Department will ensure safe and secure borders, welcome lawful immigrants and visitors, and promote the free-flow of commerce.