You could always copy her files and email them to her. Then delete them from the account and lock her out.
That way you haven't destroyed them you've just returned them to her.
I told her I would send her a USB key with the files.
I appreciate the advice, but I was more so questioning the crazy ways in which she she redirected the blame and made me out to feel crazy. Is this normal? Is my response justified? All this second-guessing has me going nuts!