He bought it shortsale with the existing tenants. 2 out of the 3 original tenants have been evicted already, eviction lawyers we've worked with won't touch this one.

I used a lawyer to draw up the first purchase and sale contract that led to the deal I purchased.

Do some research on evictions or hire a lawyer.

Your ownership is not at risk.If she is doing a 'lease/rent to own' then you for sure need to get a lawyer involved because this could turn into a big cluster mess if the person you 'purchased' it from still holds the title in their personal name (or even an LLC) and did not set up proper inheritance lines.

We have in house lawyers and we make sure everything is Kosher before we take an apartment and sell it.

More than likely it should have been his expense, and lawyer fees. 

Team = accountant, lawyer, partner, GC, plumber, handyman, home inspector, etc.Here are some general things I can say:1) choose strategy and your goals.

What you cannot do is ask what the said disability is.Disclaimer: I'm not a lawyer and this is not intended to be legal advice.

That would be my recommendation but I️ would just call a few lawyers and they should be able to give you this advice at a nominal fee, probably free!

I would speak to your lawyer and CPA again as they know your situation better and give proper guidance for the correct and best outcome for you.