u.s. immigration and customs enforcement’s (ice) mission is to protect america from the cross-border crime and illegal immigration that threaten national security and public safety. this mission is executed through the enforcement of more than 400 federal statutes and focuses on smart immigration enforcement, preventin

official website of the u.s. department of justice (doj). doj’s mission is to enforce the law and defend the interests of the united states according to the law; to ensure public safety against threats foreign and domestic; to provide federal leadership in preventing and controlling crime; to seek just punishment for those guilty of unlawful behavior; and to ensure fair and impartial administration of justice for all americans.