Even if he could, I don't think he would want to. It would mean admitting guilt and opening himself to give testimony on the crimes in prosecuting others as wel

Even if he could, I don't think he would want to. It would mean admitting guilt and opening himself to give testimony on the crimes in prosecuting others as well as emboldening civil lawsuits. Also, since its an ex-President and leader of a political party there is no way to punish him without it being political, which means the next President is likely to pardon him anyways for expediency.