... I am not sure I want to say Mafia ... there was an Italian TV show with that title (in Germany at least) ... which I really loved when I was a kid. I want to rewatch that show asap ... and I recently found out, that it had way more seasons (and hence episodes) than I ever knew when I was a kid.
But back to this, which is a movie and has a woman at the forefront ... and she does her best to hold those accountable who are to blame. You may not always agree with her methods ... but they seem to have at least some affect ... not immediately, but maybe over the long run? On the other hand, you have to have some luck too ... a decent crime movie ... with good performances.