** FILE ** In this Monday, Jan. 10, 2011, file photo, former Afghan President Burhanuddin Rabbani, head of the Afghan High Peace Council, speaks during a press conference in Kabul, Afghanistan. Two Afghan government sources said Tuesday, Sept. 20, 2011, Mr. Rabbani has been killed in the capital Kabul. (AP Photo/Musadeq Sadeq, File)

Photo by: Musadeq Sadeq

** FILE ** In this Monday, Jan. 10, 2011, file photo, former Afghan President Burhanuddin Rabbani, head of the Afghan High Peace Council, speaks during a press conference in Kabul, Afghanistan. Two Afghan government sources said Tuesday, Sept. 20, 2011, Mr. Rabbani has been killed in the capital Kabul. (AP Photo/Musadeq Sadeq, File)