Quote from @Levi Perl: The purpose of background screening is to determine a level of risk, and then you decide if you can mitigate that risk.How does a DUI conviction from three years ago impact the tenant's ability to pay rent or maintain the property?

Endless Prop Tax Housing levies to pay for low income housing.

You can ask the prospective tenant about the addresses or simply do a Google search for those addresses and, if it belongs to an apartment complex, you can call the apartment to see if the tenant ever lived there.Public Records:This part of the credit report will list any judgments levied against the tenant -which includes garnishments or evictions that have a monetary claim.

They have excise taxes on a zillion things. 

They are a compulsory levy on a transaction for the benefit of the government.

Assuming you or the family can pay off the excising loan at closing this should be win win for both of you.  

@Levi PerlLeverage vs.

You may be able to get a levy against their bank account or file a wage garnishment without the need for going to collections. 

For instance, the latest regulation in my state starts: "830 CMR 64G.1.1 repeals and replaces the regulation formerly titled as "Establishments Subject to the Room Occupancy Excise" and reflects the statutory changes enacted by St. 2018, c. 337 and St. 2019, c. 5."

Talk about I Robot, As for the internet not going down @Levi T.