Now getting threats with a bill for materials they claimed they gathered.looking for advise and willing to pay. 

The Army Cyber Command recently moved to Fort Gordon in Augusta, and the NSA has established major operations there, as well.

You could send a letter to that effect yourself but that will not accomplish anything.They are operating a scam, most likely contrary to your state landlord tenant regulations, and nothing short of a threat of legal action will have any effect on them.The owner of the park needs to be threatened with legal action.

In turn, our town quickly has become addicted to the tremendous amounts of revenue created by this strategy, which also ensures that our portfolio can continue to grow without threat of regulation beyond what is currently in place.

All tenants should be able to enjoy their home without disturbances, threats and retaliation from others who live nearby.  

Unless something tectonic happens I don't see a big threats.  

These guys are profiting by helping pose a threat to our military men and women, using  Americans pension funds to finance our greatest adversary.  

Your property is a threat to his privacy and security.

Threats of a FH violation or other "source of income" statutes might cause duress to some.These programs demand equal access, yet they, in my experience, are unable and unwilling to meet the most basic requirements that other prospective Tenants do.

The reason that the premiums are so high is that it’s the biggest threat to destroy the property and your investment.