There's also the possibility of becoming the squeaky wheel by calling the police (*not* security) to report the matter.

It is always worth reporting - SEC, FTC, FBI, local police.

In Metro Detroit area, police will not remove these types of occupants (they are afraid of scamming landlord having police remove legal tenants), calling them a "civil matter" forcing landlord to start court eviction process.

I was planning on filling out a police report tomorrow providing the license plate, photos of vehicle, photos of the driver, and timeline from the license plate scanner.  

I am an American-born Portuguese descendent who has recently relocated to Portugal in January of this year.

San Diego polices those tourist beach areas hard, they groom the sand to deal with the kelp and anything else that shouldn't be there.

Jeez, I would have dropped the biggest hammer I could find right on her.I get scammers are an issue but she is not the police of STRs.

Both times I have contacted the police, and filed a complaint, and nothing ever happened. 

I have been a police officer, a flotilla commander for the USCG AUX and my honor and values will always stand for what is right and honest.I will not rest until every client has received a house or their deposit back.

My hope is by end of next year he has a local small MF value add house hack (probably will cost ~$1m so it will be a challenge).Clearly I did not sugar coat the path (except I suspect demo child does not fully convey the true extreme of his behavior; the police knew our address without being told).