The U.S. Army psychiatrist accused of killing 13 people in a shooting spree at Fort Hood, Texas, told a military court Tuesday that evidence presented at his trial would show that he was the shooter. Major Nidal Hasan, who is representing himself at his court-martial, said in his opening statement that “war is an ugly thing” which causes death and destruction on both sides. He cast himself as having been on the wrong side of a U.S. war with Islam before switching over. A military prosecutor said Hasan carefully planned the 2009 shooting spree and sought to kill as many soldiers as possible. Hasan could face the death penalty.