Involuntary commitment to a hospital for mental illness can be a lengthy and complex process. A California law makes mandatory outpatient treatment an option. iStockphoto hide caption

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Lt. Gen. Mark Milley speaks to reporters April 2 regarding the second shooting in five years on the Fort Hood Army post in Texas. Drew Anthony Smith/Getty Images hide caption

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An ambulance makes its way through revelers in Cardiff city center in Wales in 2010. New measures in the city have reduced injuries caused by violence. Matt Cardy/Getty Images hide caption

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Somali women and children wait to get medicine in July 2008, from a clinic run by Doctors Without Borders about 20 miles south of Mogadishu. AFP/AFP/Getty Images hide caption

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A police officer guards Cambodia's famed temple of Angkor Wat. The powerful city-state collapsed in 1431 after suffering through two decades of droughts. Heng Sinith/AP hide caption

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