Step mom lying on medical and educational forms

I'd speak with a family law attorney. There are a lot of missing facts from your description.

Community Property or Seperate Property for Investment property bought before marriage?

From your explanation, it appears that the community may have an interest in the property because you paid the mortgage after the marriage with you...

Can I sue my fiancée ex?

You do not give enough information. If I were you I would speak to an experienced civil attorney in your area.

Looking for an attorney that may possibly take my case for low cost or pro bono, I know it's not usual for family law. Hopeful

It may be easier for to find an attorney willing to help at reduced rate, via this website, if you give basic background context on why you need an...

I agree that you should go ahead and submit the amended responses. The sooner, the better, as the other side needs time to prepare their response...