Herard never played a game for the Terps.
Evans’ base salary is more than $100,000 above that of Kevin Anderson.
Dodd was arrested Thursday in Atlanta.
The subpoenas regard an unnamed former player, Maryland assistant coach Bino Ranson and former recruiting target Silvio De Sousa, who attends Kansas.
Evans has been acting athletic director since Kevin Anderson resigned in April.
Jackson followed up a breakout freshman year with a disappointing sophomore campaign.