It was a split decision for the Supreme Court as they ruled today, striking down most of Arizona's law S.B. 1070 law passed in 2010.
One of the key provisions stated that Arizona could not make it a misdemeanor for immigrants to fail to carry identification.
Arizona's law S.B. 1070 law passed in 2010, was signed into law by Gov. Jan Brewer in April of the same year, and was immediately challenged by the Obama administration.
A lower court sided with the administration and agreed to prevent four of the most controversial provisions from going into effect.
The court’s 5-3 decision struck down 3 of 4 parts in AZ's controversial immigration law, but upholds measures allowing police to stop suspected undocumented workers.
It was a landmark decision and will surely change the scope of immigration reform in years to come. Here are a few other key aspects of the court's Arizona immigration decision.