The president can pardon all federal offenses excluding impeachment. Whether or not he can self pardon is an untested question; it’s not exactly clear. Him par

The president can pardon all federal offenses excluding impeachment. Whether or not he can self pardon is an untested question; it’s not exactly clear. Him pardoning the rioters is a nightmare scenario, both politically and for the long term survival of the republic. But the only real solution for this is impeachment and conviction, as generally the pardon power is not subject to judicial review.