Her automatic response was to be objective, to hound him with all the practical questions he'd probably already tried to answer for himself. She was doing it now though, asking herself those questions and searching rapidly through her phone in a desperate attempt to find any messages or emails that looked even remotely cryptic. She could show it to him and they could crack it and it’d be enough, but she had to give her best friend more credit than that. Cassie did what Cassie wanted to do and there wasn’t any use stopping her, though she knew Kate would have done her damnedest to anyway. That’s probably why she didn’t tell her.
The obvious step, and Tony seemed to be trying to deter her from it, was to emotionally react. Kate was angry and heartbroken, she could be both in the privacy of own space, but that was far away and she wasn’t sure she had anymore room in her to contain it. She hadn’t completely gotten over Billy’s departure and now she had this to deal with Cassie’s, it was kind of a lot. Kate stared blankly into the screen even as it blacked out until Tony said something, and she looked up, but stared right through him and was silent.
“Kate,” she murmured eventually. Her eyes went back into focus halfheartedly. “I’m her friend from...” The other universe, she intended to say, but that didn’t matter anymore, if it ever did. She wiped the forming tears from her eyes and frowned. I just found her, she thought sadly, and turned away to compose herself. Her fists clenched together to the point that they trembled until she loosened them and pressed her palms against her head. “Goddamnit, Cassie!” she hissed, repeating herself, but softly as if in defeat. "Goddamnit..."