Congratulate them—they now get to file two sets of tax returns and pay the associated taxes for each.Confirm all of this with a lawyer if it bothers you.

We have filed for eviction and the tenant has filed a law suit claiming false allegations.

When the money dries up, they'll leave just as quickly as they arrived and you may be stuck with a real mess.If it can produce more money as a short-term rental, do it yourself.

Consider selling the duplex to put it into a higher income producing asset (out of state, DST, something).

in a few short years 1 property has produced over a $1/2 million in equity, thousands in cash flow, was leverage to buy another property which does the same and leverage to buy a small cash flowing business. 

Chimene filed for Chapter 7 bankruptcy2. 

There is a $500 per day penalty, up to $10,000, and imprisonment of up to two years for the WILLFUL failure to file initial or updated timely reports.Where to file the BOIR report?

@Mark Allen Hopefully, this gold mine is still producing.

You can find it in the fileplace under forms and the file is called cleaning charges. 

The PM may not like having repeated police reports filed, but that's their problem and they can sort it out.Best of luck with it!