Mustafa al-Imam, a Libyan national approximately 48 years old, was found guilty of terrorism charges for his participation in the Sept. 11, 2012, attack on the U.S. Special Mission and Annex in Benghazi, Libya. Ambassador J. Christopher Stevens and U.S. government personnel Sean Smith, Tyrone Woods and Glen Doherty died in the attack at the Mission and the nearby Annex in Benghazi.