4 Americans , including its ambassador to U.S. , died in a 2012 attack on a mission . FBI has said that Ahmed Abu Khatallah was `` one of the masterminds '' of the attack . Ahmed Abu Khatallah was nabbed by U.S. commandos , Obama agents this month in Libya . As that vessel -- an amphibious transport dock ship -- nears the coast , it is expected that Abu Khatallah will be flown off of it on a V-22 Osprey aircraft to an undisclosed location , where he will be held as he awaits prosecution in a federal court in Washington . He 's expected to be prosecuted in a federal court in U.S. .
4 Americans , including its ambassador to U.S. , died in a 2012 attack on a mission . FBI has said that Ahmed Abu Khatallah was `` one of the masterminds '' of the attack . Ahmed Abu Khatallah was nabbed by U.S. commandos , Obama agents this month in Libya . He 's expected to be prosecuted in a federal court in U.S. .