Board Thread:Legitimate Canon Questions/@comment-7232882-20170826213651/@comment-4091815-20170827184049

There was no on-screen conversation but it is intimated in the first scenes with her and Allison in 301 that she received the entire lowdown of the supernatural shenanigans during the summer.

She was well informed enough at that point that she knew Derek had given Jackson the "Werewolf 101" about how not to kill people. We are left to assume that she was told of the entire Kanima saga.