Formed in 2003 as part of the federal government's response to the 9/11 attacks, ICE's primary mission is to protect national security, public safety and the integrity of the U.S. borders through the criminal and civil enforcement of federal laws governing border control, customs, trade and immigration. | Formed in 2003 as part of the federal government's response to the 9/11 attacks, ICE's primary mission is to protect national security, public safety and the integrity of the U.S. borders through the criminal and civil enforcement of federal laws governing border control, customs, trade and immigration. |