[As soon as Mouri steps out of the room, yawning widely, he sees the fucklot of blood. His instincts kick in.

As soon as anyone opens the door Mouri is going to shout at them]

Don't move! Enough people have gone through already. We can't afford everyone to crowd around somebody who is potentially hurt.

[He uses 'hurt' because that sounds less grave, but he doesn't have hopes this is a mere wound.

Mouri starts to follow the trail, soon getting to the hallway where the common areas are. Where does the trail lead into?]