An Afghan policeman looks at a bloodstained pavement at the site of an attack by an Afghan national army soldier who opened fire on U.S. troops, at the compound of the provincial governor, in Jalalabad, Afghanistan, Wednesday, April 8, 2015. An American soldier was killed in the shooting Wednesday in which at least two other U.S. troops were wounded. The incident happened after a meeting between Afghan provincial leaders and a U.S. Embassy official. (AP Photo/Rahmat Gul)