The Supreme Court will hear a case challenging SB 1070 on April 25. Some argue it has achieved its goal by forcing immigrants out.

A federal judge has already stopped the most controversial parts of Arizona's 2010 immigration law from going into effect. But supporters say that hasn't prevented the law from achieving one of its stated goals: Thousands of people who were living in Arizona illegally have left.

We hear a report on the effect SB 1070 has had on Arizona.

• Fronteras: After SB 1070, Some Migrants In Arizona Self-Deport
• KJZZ: SCOTUS to hear SB 1070 arguments April 25
• NPR: Key Parts Of Arizona Immigration To Remain On Hold