Arizona's Suspected Gunman: Missed Red Flags? - Join the Live Chat

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Tonight on 360°, the missed opportunities that might have prevented a massacre. Arizona makes it very easy to compel someone to get a mental health evaluation. Yet the campus police chief at the community college Jared Loughner attended and was suspended from for bizarre and allegedly threatening behavior did not seem to know that. Plus, exclusive details on Rep. Giffords condition. Dr. Sanjay Gupta talked with her husband and doctors.

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