1) Nobody should be above the law - many other people have been sent to prison for doing less and doing it unintentionally.
2) The DOJ investigation was clearly corrupted. i suspect that you haven't followed the trickle of emails that the DOJ has been forced to release against their will for no other reason except that they were guilty of breaking the rules for partisan reasons.
We HAVE to be able to rely on our DOJ to do its' job.
3) the maintenance of national security is critical. There has to be a tough set of guidelines that everybody is careful about following. If the rules aren't enforced, there will be more leaks than if they are not enforced.
At this point, I am not sure if HRC can even be re-evaluated (not sure if there is double jeopardy laws in this setting). But the DOJ must be fully evaluated, and criminal charges need to be made if corruption in the investigation is found.