[He bites his lip and nods. Iroh was a close friend, he could let him know about his fear of who did it]

I... I'm afraid I know who did it... but... it couldn't... I mean, I know he's not all bad, he would do something like this... a-and I know Tom wouldn't have done anything to...

[He covers his face with his hands and shakes his head. And where was he when this was happening? He could have easily stoped it!]