They deny connection to 9/11 attacks , note the Commission said they were n't involved . Lawyers for 9/11 Commission said they gave ` ` relevant '' and ` ` critical '' information . Yousef , a convicted terrorist , is considered the mastermind in the 1993 World Trade Center bombing , and is in the same supermax prison as Moussaoui . At Ali 's trial , a witness said he is schizophrenic .
They deny connection to 9/11 attacks , note the Commission said they were n't involved . Lawyers for 9/11 Commission said they gave ` ` relevant '' and ` ` critical '' information . At Ali 's trial , a witness said he is schizophrenic .