You don't want him to become a threat to others or a disturbance.

I do know of an investor where the bank made the threat, the investor called there bluff and said "go ahead, I can't pay it and you will have to foreclose" and the bank decided not to as they were receiving timely payments.

Small (cyber) world lol.

After threats of lawsuits, they decided to follow through with the sale.  

I could understand if there was a legitimate threat or harm being done to the public but I don't believe that is the case, Just as in my case, and many others, we lend to investors.

@Branden Vandette, I believe it's your MOM whose financial circumstances might be under "threat" from taking that action.

A repeal of Dodd-Frank is the largest threat to this positive outlook.- He does predict a slowdown or "bump in the road" as he called it around late 2018 or early 2019.- We all know interest rates will have to rise at some point soon.

Maybe my short story was actually kind of long...sorry for the novel.Anyways - my point is, it's really up to you if you want to pursue it or not and I'm guessing it's unlikely your landlord wants to deal with the issue if it's relatively small money for him/her.Very unlikely you're going to get your money back unless press forward with legal action or the threat of legal action.  

When I further asked these guys to get off my property such that I can get a different plumber for the job, they left with a threat to report me to authorities.

The appreciation you see around the fort is likely due to the military increasing the size of the cyber command in the area.