It does sound like they are punishing the good guys for something a bad guy did - reiterate your support of a good neighborhood and good tenants. 

Where is the right place to pursue a right answer. we want the roof company owner’s license can be punished at least.We talked to a lawyer and was told it is not deserve to sue for a roof.This is the only experience to work with state or county for a problem roof.

I’m doing this in Arizona, I love it it’s the only business where your efforts or lack thereof are immediately punished or rewarded, I’m standing up my second property this weekend.

Contact Tenant B and politely explain that you were all unaware of the situation and you are not looking to punish him.

Also, how do so many wholesalers get away with it without being punished if this were illegal?

Basically, you get punished by the credit bureaus, if you make a payment on an old debt. 

To me, it punishes tenants who's hardly at home.

Am I punishing this seller for running his business smoothly? 

And the common denominator here and for your problems in Detroit is..... tenant selection by.... a PM.Why do you keep punishing yourself? 

Women get "punished" for not being "nice" in ways that men never do.Think about this if you have a daughter.