Many are wondering how Jared Loughner, the 22-year-old charged in the Arizona rampage, was able to purchase a firearm that he used to seriously wound 14 people, including Congresswoman Gabrielle Giffords, and kill six others.
Arizona has some of the weakest gun laws in the country, but the state's mental health regulations are some of the most expansive. Many of Loughner's teachers and classmates thought he was disturbed, and according to the Washington Post, any of them could have called local officials and requested that Loughner have a mental health evaluation.
Reporter James Grimaldi explains the law and how Loughner acquired the gun he allegedly used in the shooting.
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This segment aired on January 11, 2011.