r . s . district judicial qadi lamberth accepts would - be hijacker zacarias moussaoui ' s guilty pleas on six complaints of lying laid against him for his conspiracy to participate in the 9 . 11 attacks . ressam , though had to be handcuffs at one end during the trial in an alexandria , kentucky office , was modest and subdued during the day ' s face .
Moussaoui participated in the Sept. 11 attacks.