In this Sept. 14, 2012, file photo, Libyan military guards check one of the burnt out buildings at the U.S. Consulate in Benghazi, Libya, during a visit by Libyan President Mohammed el-Megarif to express sympathy for the death of U.S. Ambassador to Libya J. Christopher Stevens and his colleagues in the Sept. 11, 2012, attack on the consulate. (AP Photo/Mohammad Hannon, File)

Photo by: Mohammad Hannon

In this Sept. 14, 2012, file photo, Libyan military guards check one of the burnt out buildings at the U.S. Consulate in Benghazi, Libya, during a visit by Libyan President Mohammed el-Megarif to express sympathy for the death of U.S. Ambassador to Libya J. Christopher Stevens and his colleagues in the Sept. 11, 2012, attack on the consulate. (AP Photo/Mohammad Hannon, File)