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.
The intruder seems to be using
voice and iris recognition, but...
يبدو أن الدخيل يستعمل تقنية التعرف على  
...الصوت وقزحية العين، لكن
Der Eindringling muss einen Stimmenabdruck
oder eine Iriserkennung benutzen.
El intruso parece estar usando
reconocimiento de voz e iris, pero…
Soit par commande vocale,
soit par identification rétinienne,
L'intruso sta usando sia il riconoscimento vocale 
che quello oculare, ma...
O intruso parece estar usando
reconhecimento de voz e íris, mas...