Yes, but who caused it? As far as I understand trials normally follow accusations rapidly unless one side or the other spends a lot of the court's time on legal

Yes, but who caused it? As far as I understand trials normally follow accusations rapidly unless one side or the other spends a lot of the court's time on legal motions. Unless you're prepared to present evidence that the prosecution was the cause of substantially all of this delay, you have no grounds on which to complain about the handling of this case.