NEW : Attorney General Eric Holder says federal court challenge is possible . Homeland Security secretary says Justice Department reviewing measure . Former Arizona governor says she fears siphoning of resources . TL;DR The U.S. Supreme Court on Monday declined to hear a case challenging the constitutionality of Arizona's immigration law.
NEW : Attorney General Eric Holder says federal court challenge is possible . Homeland Security secretary says Justice Department reviewing measure . Former Arizona governor says she fears siphoning of resources . Law requires immigrants to carry their papers at all times .