A man looks at documents at the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens. The graffiti reads, "no God but God," "God is great," and "Muhammad is the Prophet." CIA security officers went to the aid of State Department staff less than 25 minutes after they got the first call for help during the attack on the U.S. Consulate in Benghazi, Libya, U.S. intelligence officials said Thursday as they laid out a detailed timeline of the CIA's immediate response to the attack from its annex less than a mile from the diplomatic mission.