I know most of us have heard horror stories and/or have personal experience about criminals and unsavory characters taking over vacant properties then claiming squatters rights to avert the authorities.

There was actually a time not too long ago where police would investigate crimes and DAs would prosecute the criminals.

I know most of us have heard horror stories and/or have personal experience about criminals and unsavory characters taking over vacant properties then claiming squatters rights to avert the authorities. 

Good idea except I'm not able to get a realtor's license because I have a criminal record from way back when.

Especially now that you've posted your suspicions on a public forum, I'm not an attorney, but I've watched enough Law and Order that I could see there being the possibility of you being charged for "Aiding and Abetting" their crime by not reporting it or "Criminal Facilitation". 

I'm also quite certain he has an alcohol issue, as I always smell alcohol when we speak in person.When the tenant first moved in, he would wait for my wife to leave for work and then rush outside to talk to her, often presenting significant problems he was facing – hospital visits, sick parents, cyber hacking, and more.

In FL I had a guy who confirmed my criteria and then was upset when I denied for a criminal issue in the background check...because he plead 'no contest'.

Otherwise, the criminal case can serve as evidence in suing them in small claims court. 

Anyway my question to you all, especially the criminal masterminds here on BP, is how can I really mess with these scammers?

What if that access were given to criminals?