If they want to kill us, they should use a more effective method than mind control. No matter how powerful it is, they're working with the risk of their targets breaking free.

However, they wouldn't dirty their hands and leave behind evidence we could use.

[Because it can easily allow them to trace them back.]

They would most likely have another motive behind this.

[Ah...relying on people to keep herself in check. Miyako dislike the idea, but she can't deny the necessity.]