FILE - In this Monday, Sept. 17, 2012 file photo, a Libyan 

FILE - In this Monday, Sept. 17, 2012 file photo, a Libyan woman, Salwa Bugaighis, carries a wreath with a photo of U.S. Ambassador Chris Stevens on it as she and others gather to pay their respect to the victims of the Tuesday, Sept. 11, 2012 attack on the U.S. consulate, in Benghazi, Libya. A man linked to the attack on the U.S. consulate in Benghazi has been conditionally released by Tunisian authorities due to lack of evidence, his lawyer said Tuesday Jan. 8, 2013. The release of Ali Harzi, a 26-year-old Tunisian, appears to represent a blow to the investigation of the Sept. 11 attack on the consulate in Libya. (AP Photo/Mohammad Hannon, File)
Associated Press
FILE - In this Monday, Sept. 17, 2012 file photo, a Libyan woman, Salwa Bugaighis, carries a wreath with a photo of U.S. Ambassador Chris Stevens on it as she and others gather to pay their respect to the victims of the Tuesday, Sept. 11, 2012 attack on the U.S. consulate, in Benghazi, Libya. A man linked to the attack on the U.S. consulate in Benghazi has been conditionally released by Tunisian authorities due to lack of evidence, his lawyer said Tuesday Jan. 8, 2013. The release of Ali Harzi, a 26-year-old Tunisian, appears to represent a blow to the investigation of the Sept. 11 attack on the consulate in Libya. (AP Photo/Mohammad Hannon, File)
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