Oh yes I forgot to mention the read in the stars stuff.
I'm not sure how likely it is that they thought he was the seer. He looks more like a no trace kill. Or then the wolves thought they had nothing to lose as he could have been the seer & he had been quiet.
Greenie you voted for
Gollum before his random vote for
Brinn, which apparently made
Nog very suspicious of him. And as we can see his random vote was so guilty.