It does not sound as if these tenants are attempting to scam you.  

That's a common scam slum lords pull around here, as it's a good way to milk the city for money.

So I just came across this fraud.  Had a loan applicant who owned a motel.  Received loan package including last years tax return.  Asked for the 2 prior years tax returns, was like pulling teeth.  When I finally got ...

May have been the way I came off, but they gave the impression that I was trying to scam them out of their property.

If that was the tenants idea, they were scamming your uncle from the start.

I am what you would call...an extreme skeptic when it comes to purchasing any real estate investor materials and consider most "experts" to be unethical scam artists.That being said, Danny earned my trust early on before he released his websites.

This poor lady Diane sent these scam artists her ID thinking they would loan her money.

Check out the recent podcast > BP Podcast 149: Early Retirement, Real Estate Bubbles, and Dangerous Scams with Radio/TV Star Clark HowardI would rather invest my 30k as down payment on a 2016 Tesla Model X, park my Tesla on a sandy beach by Ocean Shores, WA, open up the falcon wings and enjoy the rain drops and listening to the BP podcasts.

Do a google search & type in Carleton Sheets scams & check that out !

That's into scam territory, ala Pinnacle Investment Partners.