Fort Hood

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Krystina Cassidy and Dianna Simpson attempt to make contact with their husbands who are stationed inside Fort Hood, while standing outside of the Bernie Beck Gate, on Wednesday, April 2, 2014, in Fort Hood, Texas. One person was killed and 14 injured in a shooting Wednesday at Fort Hood, and officials at the base said the shooter is believed to be dead. (AP Photo/ Tamir Kalifa)

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Krystina Cassidy, left, and Dianna Simpson attempt to make contact with their husbands who are stationed inside Fort Hood while standing outside of the Bernie Beck Gate on Wednesday, April 2, 2014, in Fort Hood, Texas. One person was killed and 14 injured in the shooting, and officials at the base said the shooter is believed to be dead. (AP Photo/ Tamir Kalifa)

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U.S. Secretary of Defense Chuck Hagel receives an update on the phone on the shooting at Fort Hood in Texas, as he was on a tour of the USS Anchorage, an amphibious transport dock ship, with his counterparts from Southeast Asia on Wednesday, April 2, 2014, at Joint Base Pearl Harbor-Hickam in Honolulu, Hawaii. (AP Photo/Alex Wong, Pool)

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President Barack Obama speaks about the shooting at Fort Hood, Wednesday, April 2, 2014, in Chicago. (AP Photo/Carolyn Kaster)

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A police officer checks drivers' IDs outside the main gate at Fort Hood, Texas, after a shooting at the Army base Wednesday, April 2, 2014. One person was killed and at least 14 injured in a shooting Wednesday at Fort Hood. (AP Photo/Austin American-Statesman, Deborah Cannon) AUSTIN CHRONICLE OUT, COMMUNITY IMPACT OUT, MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM

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A military police officer stops a car at Fort Hood, Texas, after a shooting on the Army base Wednesday, April 2, 2014. One person was killed and at least 14 injured in a shooting Wednesday at Fort Hood. (AP Photo/Austin American-Statesman, Deborah Cannon) AUSTIN CHRONICLE OUT, COMMUNITY IMPACT OUT, MAGS OUT; NO SALES; INTERNET AND TV MUST CREDIT PHOTOGRAPHER AND STATESMAN.COM