The truth behind the murders is revealed.  Moe and Saikawa meet with the killer in virtual reality, and as they reveal the mysteries, they learn what kind of life Dr. Magata lived.
"That is why"? What do you mean?
لهذا السبب"؟ ما الذي تعنيه؟"
Deswegen? Was meinen Sie?
¿Por eso? ¿Qué quieres decir?
¿Por eso? ¿Qué quieres decir?
À cause de ça ? C’est-à-dire ?
Per questo? In che senso?
"Por isso"? 
Do que você está falando?