Arizona v. United States
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| Case Term | OT 2011 |
| Category | Constitutional Law |
| Question Presented | Whether federal immigration laws preclude Arizona's efforts at cooperative law enforcement and impliedly preempt four provisions of S.B. 1070 on their face. (Kagan, J., recused.) |
| Lower Court's Decision | Federal law preempts Arizona's laws |
| Research for TWEN users by Westlaw  |
Certiorari-Stage Documents: |