A United States soldier walks past an Army poster advertising "Mental Strength For Life" at the Resiliency Center on Fort Hood Army post in Texas November 9, 2009. Thirteen people died in the mass shooting Thursday at the sprawling U.S. Army base in Texas. An Army psychiatrist trained to treat war wounded is suspected in the killings. The suspect, Major Nidal Malik Hasan, a Muslim born in the United States of immigrant parents, was shot four times by police. Reuters Pictures logo Reuters Pictures 27 months ago

A United States soldier walks past an Army poster advertising "Mental Strength For Life" at the Resiliency Center on Fort Hood Army post in Texas November 9, 2009. Thirteen people died in the mass shooting Thursday at the sprawling U.S. Army base in Texas. An Army psychiatrist trained to treat war wounded is suspected in the killings. The suspect, Major Nidal Malik Hasan, a Muslim born in the United States of immigrant parents, was shot four times by police.