Earlier quoted context omitted.
In principle there was already some separation of duty as solictors in England owe a duty to the Court regardless of who pays them. However it seems not to have been enough in this case. Hopefully will be looked into.
I think you mean barristers. The problem here was that as many sub-postmasters were co owned by a husband and wife with children. There was an enormous incentive for one of the sub post masters to plead guilty and say, "my wife had nothing to do with it." Doubly so as the sentences would often be on the cusp of the "suspendible range", a guilty plea combined with contrition is much more likely to get a judge to suspe…
I meant the solictor of the Post Office -- solicitors in England are both classified as officers of the court and owe duties to the Court. So amongst other things Post Office's own solicitors should have declined to act in any way that could mislead the court.