The authorities have also denied entry to an American-based lawyer for one of the accused, the BNP's Salauddin Quader Chowdhury, an adviser to Mrs Zia.
Bangladesh commerce minister Mohammed Quader admitted in a recent interview that the government didn't do enough to "discourage" the worst operators "because we wanted the jobs".
Mr Quader says the government "did not do enough" to discourage the worst practices in the business, as cut-throat operators have cashed in on the garment boom over the last decade.
But there was a smiling Abdul Quader Mollah on Feb. 5 apparently celebrating his life sentence given in place of an expected death sentence for his role in the killing of 381 civilians.