Two former Blackwater employees have been charged with the murder of two Afghans in Kabul last year.According to Justice Department, two former Blackwater employees Justin Cannon, 27, and Christopher Drotleff, 29, have been charged with second-degree murder following the shooting deaths of the two Afghans.They were also charged with attempted murder including the 13-count grand jury indictment. Both men could face death penalty, the Justice Department said.