They don't have enough to send her to a mental institution or arrest her on criminal charges. 

They will verify a persons identity, the background check with show clear for the different offenses or show the criminal offenses they have.

So sad and the excuse is the CV19 If they promised to do damage in writing, then we're talking about criminal cases. 

no criminal record, he would be my roommate, i live in illinois which means it takes a long time to evict someone. 

In addition to that we'll run a credit, eviction, and criminal background check. 

In other words, are certain providers less expensive, have a faster reponse time, provide more comprehensive reports (i.e. criminal background in addition to credit checks), etc.?

Also, is it legal to deny the person base on criminal history? 

Zillow may or may not be fine for that, but you never should stop with the credit report and criminal check. 

Of course depending what sort of real estate you are doing.If you do your numbers right, you are not a moron (no offence to all the morons on here), you do your due diligence, you make no emotional decisions and you THINK!!

My super smart attorney has summarized this for me several times: "Most lay people confuse civil liability with criminal liability.