Purpose; authority

(a) Purposes The purposes of this subtitle are to provide a civil remedy to persons injured by serious violent crime committed by removable aliens if a State or local government’s sanctuary policy obstructed Federal immigration enforcement and foreseeably contributed to the alien’s continued presence at liberty. (b) Authority Congress enacts this subtitle pursuant to its authority under— (1) section 8 of article I of the Constitution of the United States, which authorizes Congress to regulate immigration as an inherent attribute of national sovereignty, to provide for the general welfare, and to make all laws necessary and proper for carrying such powers into execution; and (2) clause 2 of article VI of the Constitution of the United States (commonly known as the Supremacy Clause).