This undated photo provided by Mark and Kate Quigley shows Glen Doherty, who family members say died in an attack on the U.S. Consulate in Libya. Four Americans were killed at the U.S. Consulate in Benghazi on Tuesday, Sept. 11, 2012 along with U.S. Ambassador Chris Stevens. Kate Quigley identifies Doherty as her brother, saying in a media interview he was a former U.S. Navy Seal.
Ibrahim Alaguri photo
FILE - In this Wednesday, Sept. 12, 2012 file photo, a Libyan man holds a placard in English during a demonstration against the attack on the U.S. consulate that killed four Americans, including the ambassador, in Benghazi, Libya. The attacks against U.S. diplomatic targets appear part of wider power plays by Salafis and other extremists to challenge the leadership struggling for stability in places such Egypt and Libya.