Shooting Details The man accused of killing seven co-workers at a Wakefield, Massachusetts software company was arraigned in state court today. Michael McDermott pleaded not guilty and was ordered held without bail on seven counts of first degree murder. His lawyer said he had been undergoing psychiatric treatment before yesterday's shootings. Police say McDermott hid ammunition and a semi-automatic rifle in his office and he had bomb making material at home. Rachel Gotbaum of member station WBUR reports.