Thereupon the chief justice of the supreme court shall notify the attorney general of such accusation and cause a copy thereof to be delivered to the attorney general, and it shall thereupon become the duty of the attorney general to superintend either through the attorney general's office, or through a special assistant to be designated by the attorney general, the prosecution of such charges.
Iowa Code § 602.10127
83 Acts, ch 186, §10202(2)