Suspect in Libya Attack, in Plain Sight, Scoffs at U.S. By DAVID D. KIRKPATRICK Published: October 18, 2012 BENGHAZI, Libya — Witnesses and the authorities have called Ahmed Abu Khattala one of the ringleaders of the Sept. 11 attack on the American diplomatic mission here. But just days after President Obama reasserted his vow to bring those responsible to justice, Mr. Abu Khattala spent two leisurely hours on Thursday evening at a crowded luxury hotel, sipping mango juice on a patio and scoffing at the threats coming from the American and Libyan governments. Libya’s fledgling national army is a “national...