If nothing else, it would show the tenant you are taking their concerns seriously.I would also do a search on the property history;   it's very possible the tenants did this as well, and uncovered something disturbing about the house that is the root of this.  

We're rooting for you!

This is to prevent the proliferation of rooming houses as rents are so expensive that 3 or 4 people would have to share the rent.

It's made clear to me that I need to look further into the situation and find out the root cause. 

It just sort of hit me in the shower this morning and I don't know the answer.I'm trying to look at preventative maintenance costs over the year, Pest Control might need to be on the list.

We know there were some delays in response and have put in measures to prevent that in the future.

To keep legislators from intervening; to prevent legislation investors will find undesirable.With so many people out there "doing it wrong" and "learning from their mistakes", a point is reached where legislators must step in to protect those who are being hurt: lenders and other money investors as well as tenants and property owners / buyers.Want to curb further tenant-friendly ordinances and other legislation which hurts investors? 

I have a tenant from hell who will go to any length to prevent access to the property. 

Going back to my Marine Corps roots, I spoke with an old marine buddy of mine who suggested scoping out his (and my former) neck of the woods - Onslow County, Camp Lejeune, Stone Bay, Swansboro, Hubert, Richlands, Surf City, Topsail and the southern Outer Banks.

For your safety and that of your other tenant, if you feel personally threatened in any manner, seek professional help, which may include law enforcement.We're rooting for you!