U.S. soldiers have been tried in foreign courts for breaking local laws. From a Stars and Stripes article regarding a soldier tried for rape in Korea: "The U.S

U.S. soldiers have been tried in foreign courts for breaking local laws. From a Stars and Stripes article regarding a soldier tried for rape in Korea: "The U.S.-South Korea status of forces agreement allows servicemembers to be turned over to South Korean custody if servicemembers are suspected of heinous crimes and law enforcement officials request it" (http://1.usa.gov/yrzicW http://1.usa.gov/yrzicW) I don't know what status of forces agreement exists in Afghanistan.