All that's clear so far is that it was against her will, otherwise she would leave us with a clue. However, let's not get ahead of ourselves yet.

[ Kogami doesn't want to say it, but it's possible that she may be dead, which is a theory he needs to debunk as fast as possible. In fact, he's stepping harder on the accelerator the more he thinks about it... ]

Tsunemori has two other jobs here. If you hear back from Kagari, send him to those places - I believe he'll know her work shifts better. [ They lived together for a bit, after all. ]