The lead prosecutor for Pulaski County , Arkansas , said about Muhammad 's attack , " If you strip away what he says , self-serving or not , it 's just an awful killing , it 's like a lot of other killings we have . " His shooting attack was the first of two in 2009 at US military facilities . In the Fort Hood shooting in November , a US Army psychiatrist shot and killed 13 and wounded 29 other soldiers . Although a Senate special report chaired by the Independent Joseph Lieberman declared it " the deadliest terrorist attack within the United States since September 11 , 2001 " , Nidal Malik Hasan was charged with murder and was sentenced to death
Fort Hood shooting
2009 Fort Hood shooting
Little Rock recruiting office shooting