You might want to have a look at what happened to Iran-Contra. Or indeed, the current President's conviction in a New York court: https://en.wikipedia.org/wiki/Criminal_trial_of_Donald_Trump...

They're simply in the oligarch level now. Everyone understands that they're above the law. Nowhere near enough Democrats are talking about the level of corruption clearout that would be required to bring accountability. Law enforcement are heavily compromised in the opposite direction. See the raid on Ilhan Omar, for example.