We shall pray for it.
By all accounts he is a solid man. My suspicion is that he was handed stacks of papers to sign (remember Radar and the Colonel?) and he asked a few perfunctory questions before executing the documents.
MOST likely that his staff was a bunch of complicit rats, up to their eyeballs in the scene.
Law will be an object lesson to Bishops: you better get to know your priests VERY well, and fast--or you will be blindsided.