I thought she grated him sanctuary which is why the trial was on Voyager and not in the Continnium? I thought the trail was just to show Quinn was suffering and had the right to take his own life?
... now you've made me question it. I thought it was specifically said in the episode. Anyway, this is the equivalent of going through Romulan space and picking up refugees. By understanding is that you're not allowed to interfere in the internal politics. It might not be the PD though.
I was also thinking about what you said about Paris in "30 Days".
Wasn't part of the reason he got demoted was due to the fact if his plan failed, he would have destroyed an entire ecosystem of a planet?