Daisuke locks Takei up in the basement of the Kambe residence. Cho-san interrogates him to find out who the mastermind is behind all of this, but Takei is shook with fear and refuses to speak. Daisuke discovers that the reason why HEUSC is being uncooperative is related to his parents’ research. Kato goes through the documents that Cho-san gathered in his 19 years of investigating the case and finds an important photo.
So both of you wanted to learn the truth
behind Sayuri Kambe's death 19 years ago.
إذاً فكلاكما أراد معرفة حقيقة موت
 .سايوري كامبي منذ 19 سنة
Soll heißen, ihr beide wollt
Ambos querían saber la verdad
Donc vous cherchez
Quindi volevate entrambi sapere
la verità sulla morte di Sayuri Kanbe.
Então, vocês dois querem
saber a verdade por trás