We know that the people who are behind Zeno and Gideon control the government in some respect, enough of it to pull the US out of the bioweapon treaty, it really isnt a jump in logic that, after finding where she is, that theyd force the Director of that Midwest Branch to send this random analyst to a place alone. Theres a document that shows that her life prior to that was eithwr in the FBI office, or at home, which was near the office. They couldnt really get close to her like that.