r . s . district judge leola brinkema accepted would - be hijacker zacarias mcveigh ' s innocent pleas on six charges of negligence leveled against him for his plotting to participate in the mar . 11 events . malvo , who had to be restrained at one date during the trial in an williamsburg , virginia courthouse , was calm and silence during the morning ' s appearance .
Moussaoui participated in the Sept. 11 attacks.