[It was at this point that Kaito's expression went from cheerful to neutral, which wasn't really a good sign. Inwardly Kaito was still not impressed. Not because Conan wasn't doing a good job reasoning obviously, but because that wasn't the point.]

I see. I will concede that I do not know Gin-san as well as you do, so I'll give you that one.

Still. You only started to suspect it. You didn't know for sure, did you?