Arizona v. Valle del Sol, Inc.

Issue: (1) Whether respondents have Article III standing and have established the requisite imminent risk of irreparable harm to obtain an injunction of Ariz. Rev. Stat. " 13-2929, which makes it unlawful for a person to knowingly "(1) transport or move or attempt to transport or move the alien in Arizona in furtherance of the alien"s unlawful presence in the United States; (2) conceal, harbor, or shield or attempt to conceal, harbor, or shield the alien from detection in Arizona; or (3) encourage or induce the alien to come to or live in Arizona"; (2) if respondents have standing, whether Ariz. Rev. Stat. " 13-2929 is void for vagueness even though its meaning is commonly understood; and (3) whether the court of appeals erred in finding that states are precluded from enacting any law that restricts a person from furthering or exploiting another"s unlawful presence in the United States.