[As overwhelmed as she is with horror at hearing a story like this...

...it's so terrible that she has a hard time accepting it on face value. As far as she knows, Shikamaru doesn't have any reason to lie to her, but...]

If he - did this, if you knew he was like this - why didn't you say something sooner? There's even a list of people to be careful of, even if they haven't done anything here...