[While she couldn't participate in the investigation, Yasu apparently has it together enough that now she can respond to Fret. With what he feels like is probably a withering glare, although he can't see from beneath her bangs.]

...are you an idiot, Fret?

If the mysteries are one thing that Father doesn't know about, that's an advantage for us to use. Why would we report them to the man who got us all into this mess!