After the first murder, Shiki's uncle, Director Shindou, is killed as well. The lab is in an uproar. To find out who the killer is, Nishinosono and Saikawa investigate Shiki's room. There they find a robot named Michiru, and a strange message saying "Everything becomes F."
so he knew the killer had gotten in behind him,
،لذا عرف أنّ القاتل أتى من خلفه
also muss er sich nichts
dabei gedacht haben,
significa que le confió 
su espalda al asesino
significa que le confió 
su espalda al asesino
au moment où il se retournait
pour voir qui venait de monter.
non si è voltato pur sapendo
che aveva aperto la portiera ed era entrato!
mostra que mesmo tendo percebido que essa pessoa
 entrou no helicóptero, ele continuou de costas.