Saikawa and Nishinosono return to the camp, putting off trying to find a solution to the case. But they can't stop thinking about it. They go back to the lab and investigate Dr. Shiki's rooms again, where they find a strange number that is a clue.
Someone killed him.
.شخصٌ ما قتله
Irgendwer hat ihn getötet.
Alguien lo asesinó.
Alguien lo asesinó.
en disant juste qu’il a été tué.
Il direttore è stato ucciso da qualcuno.
O Diretor foi 
assassinado por alguém,