First filter
It sounds good workable to me too. He actually just gave us an opportunity with his demand for the Jedi to turn themselves in, didn't he? I mean, I know he'll suspect a trap, but he has to let the people he's demanding get pretty close, close enough to be distractions at least, if he doesn't mean to merely kill them on sight, and I don't think he does mean to do that.
If we need a distraction or two, he might buy that I'm an apprentice who just panicked and gave in when he made that demand. It's not the same at all, not the same Jacen even, but the idea of him killing again if it's because of me in any way, even as some random Jedi not his daughter...I can't let that