People saying he’ll admit it in this spate are wrong because he’ll end up in prison. This is the only way he’d maybe admit it.
Law is unclear what happens to Trump and GOP certainly won’t impeach. But everyone knows, you pardon an asshat, and take on the title of pardoning daresay the worst criminal in history.
If it’s true that he did that, yes.
After he’s federally pardoned, each affected state can prosecute him sequentially.