Bill Mears contributed to his brother 's death , indictment says . Counts involve alleged use of weapons of mass destruction and killing of District Court officer . Indictment : Read the indictment . IEDs were made from pressure cookers , explosive powder , shrapnel , other items . An arraignment is set for a few days later in New Hampshire MIT .
Bill Mears contributed to his brother 's death , indictment says . Counts involve alleged use of weapons of mass destruction and killing of District Court officer . Indictment : IEDs were made from pressure cookers , explosive powder , shrapnel , other items . An arraignment is set for a few days later in New Hampshire MIT .