What is the professional standard of conduct of a Crown Prosecutor in the context of a sexual assault case?

Before we part from this branch of the case we find it necessary to emphasize the role and duties of a Crown prosecutor. This case involves such a significant departure from professional standards that we find it useful to refer to Meek v. Fleming, [1961] 3 All E.R. 148 at 156, where Lord Justice Willmer emphasized that: “[i]n the discharge of his office the advocate has a duty to his client, a duty to his opponent, a duty to the court, a duty to the state and a duty to himself.” (emphasis supplied)