The fact that we have to spend so much time worrying about what Trump will do is indicative of problems greater than mere corruption. He is a "force of evil" unto himself, and despite your apparent disdain for the investigation into his Russian ties, there is every reason to follow it through.
As I said, you have a "thing" about this word "resistance." If I had left it out of the title of this thread, much if not all of what's followed in this thread would not have occurred.
I am glad to see your list of noirs dealing with social issues. You should consider expanding it to include political conspiracies and cover-ups.
A film that shows the complications of a different form of criminal underworld is a 1962 noir from Brazil, ASSAULT ON THE PAY TRAIN. Call it the first example of "favela noir."