He was in Mersault Prison. You were a guard there. He has been a pain to deal with, especially with his high intelligence, too. He seems to be trying to manipulate you, but you've already been warned of his antics.

"Ah, but I must say that you're surprising me with your continued lack of interest in what I say. I applaud you."

He raised his eyebrows and grinned, his gaze condescending upon you. He had a very intimidating aura, even if he was smiling normally just like any other human.