@jhall251 a recent example is Alexei Navalny in Russia:
https://www.npr.org/2023/08/04/1191809199/navalny-prison-sentence-russia-putin-kremlin
Wikipedia has a list of political trials that have occurred in the US.
https://en.wikipedia.org/wiki/Political_trial?wprov=sfla1
I don't know that I agree with all of them, but I also know that there are a lot of courts in the US, and we've had a lot of history, and I don't think our union is yet so perfect that it couldn't happen here.