On April 27, 2010, two lawsuits were filed challenging Arizona's immigration law, SB 1070. The law requires law enforcement to question anyone whose immigration status appears suspect, and grants officers broader authority to detain and investigate such suspects. Arizona police officer Martin Escobar filed suit in the US District Court for the District of Arizona, alleging that SB 1070 is unconstitutional and could hamper police investigations. A second suit was filed by the National Coalition of Latino Clergy and Christian Leaders (CONLAMIC), which argues that the legislation is preempted by federal law. On December 2, 2011 Escobar's suit against the bill was dismissed by the US Court of Appeals for the Ninth Circuit for lack of standing. Presently, the Department of Justice (DOJ) challenge was granted certiorari by the Supreme Court in December 2011. Opening briefs were filed before the Court on February 7, 2012 and oral arguments took place on April 25, 2012.
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