There are situations that come along where the law proves itself to be wholly perverse. This is clearly one of them.
If the courts are not willing or able to take a stand, Parliament needs to immediately intervene with laws that apply retrospectively so as to clear this woman\’s criminal record.
For if they can change the law to make us not guilty retrospectively then they can change the laws to make us guilty retrospectively.
And a much better piece on the case is here. A Royal Pardon might well be the solution.