Anyone suspected of illegally crossing into the state from mexico. The fight over who can police the border escalating and the Supreme Court weighing in. Nearly half a Million People here in el paso have to basically justify their presence in the United States because of the color of their skin. Norah what this means for the battle over immigration. Texas very simply is enforcing the laws. Norah Cbs Evening News starts now. Good evening. Im norah odonnell, and thank you for being with us. We want to begin tonight with a ruling from the Supreme Court that allows a sweeping texas Immigration Law to go into effect for now. In a 63 decision, the nations highest court said it wont block the law, known as sp 4, that gives local and state police the power to arrest and detain migrants suspected of crossing the border illegally. The federal government has been the Sole Authority of Immigration Enforcement for decades. Critics say this ruling is an affront to federal law. The case now heads bac