What she said is that she would not stop an assassin from trying to kill Trump. Not only should she be fired, she should be investigated for any potential threats against the President. What if she was paid off by someone to allow access to the President?
There is an often used acroynm for the motivations of turncoats and traitors, MICE.
Money - self explanatory, Walker family and Ames as examples.
Ideology, religion
Coercion - blackmail
Ego - character flaw, under appreciated, smarter than superiors who obstruct the ego ridden.
From her social page remarks she seems to fall in the ideology spectrum. As Special Agent in Charge, Denver she would have full knowledge of procedures, Table of Equipment, Communications protocols, passwords of the day, scheduling and deployment.
As local SS-SAIC she and her staff have the responsibilty for categorizing local threats and doing follow up investigation in locating them in the area, pulling highest potential threats into custody for questioning.
So she has the potential still, even though reassigned to pass such information to like minded indivuals or groups willing to act. Perhaps even more so than before, as she now feels persecuted for her beliefs. Wonder how many laptops and or phones she’s lost or misplaced for extended periods. Still dangerous.