Supremacy Clause

Arizona v. United States: What gives? (Part 2)

The Supreme Court debated four provisions of the Arizona immigration law, SB 1070. The sections of the law up for debate were 2(B), 3, 5(C) and 6.  Section 2(B) requires Arizona law enforcement officers to make a “reasonable attempt,” “when practicable,” to ascertain the immigration status of any person whom an officer lawfully stops, detains, or arrests “where reasonable suspicion exists that the person is an alien and is unlawfully present in the United States.&rdquo