Moussaoui Testifies He Was to Hijack Plane on 9/11 By Laura Sullivan Published March 27, 2006 at 4:00 PM EST Facebook LinkedIn Email Listen • 0:00 Art Lien/AFP/Getty Images / Getty ImagesA courtroom drawing shows avowed al-Qaida agent Zacarias Moussaoui testifying in Federal Court on March 27, 2006, in Alexandria, Va. Copyright 2006 NPR