We also ended up replacing all 475 ft of pipe put in 2 check valves that should have been there already but wasn't along with a torque arrester and a new safety line of 475 ft along with new points and dedicated breaker switch all which should have already been there but wasn't the previous owner either got ripped off or cheaped out when it came to putting the well in.

How many times a week do you get a phone message saying the IRS is going to seize your bank account or have you arrested?

The original roommate has caused much disruption here, between her alcoholism and related violent outbursts, to her drug use and threats, including calling the local police multiple times for a variety ridiculous things, all of which is documented, and more than once was told by the police she was becoming a habitual caller and a nuisance, then threatened with arrest.

Obviously on camera, caught and arrested.

That means I had two kicked in doors/doorframes and they had a huge mess to clean up and arrests were made.

Also, mere arrest can no longer be considered in a background check.While disparate impact was important in the low income housing tax credits case that gained Supreme Court recognition for the concept, it was not a Fair Housing or a zoning context.  

After talking to the DA they arrested the tenants for Extortion!

I had the realtors and brokers license stripped and another guy ended up getting arrested by the FBI and is currently facing prison time. 

I had to involve the police when first floor ran screaming at me in my car on a public street, yanked open my passenger car door while I was in it, and entered the car screaming at me aggressively while I was calling 911, (all because we had made every effort to avoid a confrontation with her), but the police only went to warn her, did not arrest her.  

Sex offender registry.Count, city and state arrest lookup.Inmate search.County civil record search.Several other websites that search for infractions.Google.If they have an address in another state, city, etc, I check there for criminal activity as well.I talk to their last/current landlord and check tax and registrar of deeds to make sure I am talking to the right person.That is all before I even think of running their credit.