I'll be honest. Something is not clicking right with me.
It's clear thatImpaled send this creature, that's enough to accuse of comfabulation or second-handed attempt at kidnapping and harm. As much papers as he has, he could still be in trouble for this; Specially being a former villain judges wouldn't be so forgiving.
I get the idea he is untouchable and stuff, but the lack of subtly in this approach seems less like he has a genuine way to avoid being arrested and more blunt plot armor.