@Calvin Thomas INTERNET TROLL is someone who intentionally posts inflammatory, irrelevant, or offensive comments online to provoke or upset others.

Not to mention, the boyfriend will not qualify as a tenant due to criminal record, insufficient proof income and several other requirements.

Many states require a credit report review  maybe make it like a Lenders license I have U have full fbi criminal and personal financial and credit report.. does not mean you have to be super star but just cant be bad.

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.

No offense to Ohio but they are usually in the top 10 most expensive states for property taxes, along with Texas.

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". 

This is outlined in Title 18, Section 1725 of the United States Code, which states that any person who knowingly and willfully deposits any mailable matter such as statements of accounts, circulars, sale bills, or other like matter, on which no postage has been paid, into any letter box established, approved, or accepted by the Postal Service for the receipt or delivery of mail matter on any mail route with intent to avoid payment of lawful postage thereon, shall for each such offense be fined under this title.Violating this law can result in a fine for each piece of mail that is improperly deposited.