You could also just look for examples of officials trying to explain why they won't bring charges against banking officials.
https://financialservices.house.gov/news/documentsingle.aspx...
https://www.propublica.org/article/why-havent-bankers-been-p...
https://www.npr.org/2011/07/13/137789065/why-prosecutors-don...
I should state that this reply is mostly for other people reading our comment thread, as I can think of no adult American who would present your argument in good faith.