Then she should be summoned, to korriban as well. I suspect, you can do that. Though you know by your own admission, his action warrent a death Sentance anyway?
"He claims one of Darth Vergas's apprentices, Sabrina Kotass, set him up. It matters little, he still attacked the mandalorion fleet, so the republic claims, and to not punish him would be to risk open war breaking out, contrary to the emperor's command."
She slightly bemused, but she wanted the his help. So she planned, to go along with it anyway.