You're going to need some sort of police report if you want to take action against the tenants, so call them first.If you need to do something legal, your say-so isn't enough.

If so, what is the best course of action?

Most hotel owners know once there is consumer confidence with a vaccine, there is going to be a massive surge of travel so even owners with distressed assets are trying to keep them alive because unlike the GFC in 2008, there seems to be a more clear end to this recession.

Make it clear and non-judgmental, that you are concerned but have no plans to take any legal action.

Here is some more information: https://www.fdic.gov/consumers...Forrest Faulconer

Needless to say, they ended up clouding title on hundreds of homes, and their actions both got them a stretch in Club Fed for 7-75 yrs, along with being barred for life in Iowa from engaging in any way in the business of buying and selling real estate or selling securities.Personally, this seems like a bad work around for Dodd/Frank, verse just hooking up with an independent licensed mortgage banker in the area, to have them underwrite the property tax loan/2nd mortgage for a fee of $750 or $1,000, which could be tacked onto the total loan amount to be repaid over a couple of years.

Don't let this stop you from taking action!

The issue more recently is that consumer preferences toward homeownership pivoted faster than homebuilders can react in the wake of the pandemic. 

I doubt a title company will issue a policy insuring you, a lender or a purchaser without a quiet title action so I hope your planning on keeping the property and not borrowing against it. 

The most important things to remember are, keep the word out that you are an investor (some of the best deals come from people looking to sell who contact you directly), keep your eyes open so you recognize a deal when it comes your way and take action (don't suffer from analysis paralysis).