'he must be trying to use the Goblin as a cover up for his real race, to prevent a war between the sanctuary of the holy congregation, and his race as a whole'.
It goes without saying that whoever could manage to break into a supposedly impenetrable fortress, had to be someone belonging to the upper echelon ranks, in other words, it had to be someone that the sanctuary of the holy congregation is knowledgeable about.
A person like that, has every reasons to camouflage their identity so as to prevent the sanctuary of the holy congregation from knowing, because if they knew, no doubt that the Emissary who holds the authority of an entire race in his grasp, would give an immediate order for the sanctions of whoever did this.
"hmm..... Your heart rate says you don't believe what I said. I am lost on what part of it do you find hard to believe".