There is a policy here. All previous crimes are not answered for. Will you act against that and become a criminal yourself?

[He does give her a pointed look. It was one of the things he came to understand quickly—or rather, was informed of, and he understood the reasoning.]

Just the same, you are not the decision maker. What Midgardians call the "jury." If you are as young and foolish as to believe that is your role, then you will have some difficulty with my world's Avengers. We understand due process.