Even if they set up a stakeout and arrest the guy, in the United States he will be presumed innocent until proven guilty.

You may (if it doesn't sell to others) be able to wait a bit then go back pleading your case again to have a new BPO ordered (some banks want them done every 30 days to keep up with changing market conditions (not sure about your area)Best ammo is to show the lowest comps possible and of course, continue to point out all the necessary repairs this needs.

I'm just here to make the guilty suffer...LOL

I have approached the due diligence period as "guilty until proven innocent", as commercial deals are such different beasts.  

Even if I were sued, I document everything and obey the law, so I won't be found guilty.

The amount of people we find guilty for the dumbest screw ups is dumbfoudning. 

Even if I were sued, I document everything and obey the law, so I won't be found guilty.

You can file yourself and do it for $200 or less.Here the truth: if a Tenant is obviously guilty, they won't waste their time going to court to argue with the judge.

I think a lot of landlords, including myself, have been guilty of this to some extent at some point in our careers.

I think the right thing to do to is to press charges against all guilty parties to attempt to at least slow them down so you help to protect other people.