Tom standing in the background watching all this rolls his eyes and then speaks up
"Come on, we all know weird stuff happens in this town and is quickly covered up or passed off as something else, I mean look how willing you were to pass of a demon as a bear or a dog, the mind must try and hide these things from itself for the sake of its own sanity. And given that something or someone powerful enough to control a demon has just lost its pet, I'd guess we should watch our step, we're the only people still in this school after that so working out that we had something to do with it isn't an amazing leap of reason. "