[The smile is gone about as quickly as it had appeared though- He's not a particularly emotional person when he first gets to know someone, preferring to stay neutral, impersonal, though he tilts his head a little. Well, disbelief isn't exactly uncommon, so he's not particularly surprised or anything.]

Had our roles been reversed right now, what reason would you have given me to trust you? [It was a rhetorical question of course and it reminded him a little bit of when he'd first promised to solve the murders back in Inaba, when Teddie had told him and Yosuke to prove their innocence, but...] How does an innocent man prove his innocence when the one demanding answers has no way of telling if the truth is being told or if it's a lie?