

In episode 2, Yamane Yukihiro tells Nishinosono and Professor Saikawa that the
director isn't there, he's off picking up Dr. Magata's younger sister, Miki.

> Nishinosono: Where did the director go?
>
> Yamane: He went to get Dr. Magata's younger sister.

However, we later learn that Miki was actually Dr. Magata all along. This
means that the director was aware this is the day he would die all along. How
though, was this plan between Dr. Magata and the director communicated? I
understand that all communications were recorded. They also said multiple
times that no one had gone in to Dr. Magata's room for 15 years, except they
_did_ open the door anytime they had to put a large package in.

What was the method they used to communicate this plan?


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2016-02-21T20:12:28.290
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2016-02-22T02:21:00.190
2020-06-17T09:17:53.303
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question
subete-ga-f-ni-naru
How was the plan communicated between the killer and the director?