U.S. consulate attack in Libya

An armed man waves his rifle as buildings and cars are engulfed in flames after being set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012. US ambassador to Libya, Chris Stevens, and three of his colleagues were killed in an attack on the consulate in the eastern Libyan city by Islamists outraged over an amateur American-made Internet video mocking Islam. Stevens died less than six months after being appointed to his post.

A vehicle (R) and the surround buildings burn after they were set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

In this photo taken April 11, 2011, then U.S. envoy Chris Stevens attends meetings at the Tibesty Hotel where an African Union delegation was meeting with opposition leaders in Benghazi, Libya.

A vehicle and the surrounding area are engulfed in flames after it was set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

A vehicle and surrounding buildings smolder after they were set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

In this photo taken April 11, 2011, shows then U.S. envoy Chris Stevens speaking to local media before attending meetings at the Tibesty Hotel where an African Union delegation was meeting with opposition leaders in Benghazi, Libya.

A car vehicle burns after it was set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

A vehicle and the surrounding area are engulfed in flames after it was set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

A vehicle sits smoldering in flames after being set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

In this photo taken April 11, 2011, then U.S. envoy Chris Stevens, center, accompanied by British envoy Christopher Prentice, left, speaks to Council member for Misrata Dr. Suleiman Fortia, right, at the Tibesty Hotel where an African Union delegation was meeting with opposition leaders in Benghazi, Libya.

A burnt out vehicle sits smoldering in flames after it was set on fire inside the U.S. consulate compound in Benghazi late on Sept. 11, 2012.

A burnt building is seen inside the U.S. Embassy compound on Sept. 12, 2012, in Benghazi, Libya, following an overnight attack on the building.

The wreckage of a car sits inside the U.S. Embassy compound on Sept. 12, 2012, in Benghazi, Libya, following an overnight attack on the building.

A burnt house and a car are seen inside the U.S. Embassy compound on Sept. 12, 2012, in Benghazi, Libya following an overnight attack on the building.

A man looks at documents at the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Sept. 12, 2012. The graffiti reads, "no God but God," " God is great," and "Muhammad is the Prophet."

Egyptian soldiers stand guard in front of the U.S. embassy in Cairo, Egypt, on Sept. 12, 2012, as part of widespread anger across the Muslim world about a film ridiculing Islam's Prophet Muhammad.

Glass, debris and overturned furniture are strewn inside a room in the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Sept. 12, 2012.

Libyans gather at the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Sept. 12, 2012.

A U.S. Air Force C-130 Hercules aircraft is parked at Tripoli International Airport on Sept. 12, 2012. The United States is deploying a U.S. Marine anti-terrorism team to Libya to bolster security after a deadly attack on the American consulate in Benghazi in which ambassador Chris Stevens and three other Americans were killed, a U.S. defense official said.

Libya's Prime Minister Abdurrahim El-Keib, and Mohamed al-Megaryef (unseen), president of Libya's highest political authority the General National Congress, give a press conference on Sept. 12, 2012, in Tripoli, Libya, following an overnight attack on the U.S. consulate in Benghazi.

Mohamed al-Megaryef, president of Libya's highest political authority the General National Congress, gives a press conference on Sept. 12, 2012, in Tripoli, Libya, following an overnight attack on the U.S. consulate in Benghazi.

Libya's Prime Minister Abdurrahim El-Keib (R) and Mohamed al-Megaryef (L), president of Libya's highest political authority the General National Congress, give a press conference on Sept. 12, 2012, in Tripoli, Libya, following an overnight attack on the U.S. consulate in Benghazi.

President Barack Obama (R) makes a statement about the death of U.S. ambassador to Libya J. Christopher Stevens with Secretary of State Hillary Clinton in the Rose Garden at the White House on Sept. 12, 2012, in Washington, DC.

The American flag stands at half-staff at the U.S. Capitol on Sept. 12, 2012, in Washington, DC. The flag was lowered for U.S. ambassador to Libya J. Christopher Stevens and three other embassy employees who were killed when the embassy in Benghazi was attacked by a mob potentially angered by an American-made video mocking Islam's founding prophet.

A man walks through a room in the gutted U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens, Sept. 12, 2012.