Original sentence: In October 2010, he pleaded guilty in a plea agreement to his charges under very controversial circumstances.Khadr was to be tried by a Guantanamo military commission tribunal, a venue reserved for non-American enemy combatants, but this was averted by the plea agreement signed by Khadr after 5 years detention without charge.Omar Ahmed Khadr (born September 19, 1986) is a  was one of the youngest captives and the last Western citizen to be held by the United States at the Guantanamo Bay detention camp
Edited sentence: He was one of the youngest captives and the last Western citizen to be held by the United States at Guantanamo Bay detention camp.In October 2010, he pleaded guilty in a plea agreement to his charges.Khadr was to be tried by a Guantanamo military commission tribunal, a venue reserved for non-American enemy combatants, but this was averted by the plea agreement.Omar Ahmed Khadr (born September 19, 1986) is a Canadian citizen convicted for war crimes under the United States Military Commissions Act of 2009, including murder in violation of the law of war and providing material support for terrorism