Since it wasn’t a signed contract between us, we have gone ahead to report to all the authorities, fortunately, our local police is very diligent in investigations and we’re cooperating with them to fish these criminals out, but it doesn’t end there for me!

I work as a police officer out of Louisville.

She's an older Polish woman who just wants take care of her grandson all day.Now getting to the question - I'll probably be paying for the maintenance and other expenses related to this house myself, especially if I'm the one receiving the rent checks.  

The police basically told her even if they commit a murder you have to give them 30 days. 

She needs to get with the police to resolve this on her end and get rid of him.

If there is a party and underage drinkers, the police will ask who owns the house and you will be held liable.

Luckily if they do, most courts will give you the unlawful detainer if you request it, and setup another date for a hearing about the monies owed.Unless a judge gives you "immediate possession", the tenants has 10 days to get out from the court date, if they are not gone on the 10th day, you then have to wait 72 hours before filing a Writ with the clerk, which tells the police departments to setup a time to come out and remove anyone from the property.Once you have your writ, you will get a call from the PD to schedule a time to perform the eviction.

I understand how regulations are enforced as opposed to assuming how the fair housing police operate.

Police have even been called. 

I realize state laws are changing around the country, but marijuana is still illegal in MN, and to top it off, he was the one who drove the couple to the unit.After they left the showing, we sent them an email saying that we noticed he was under the influence and we wouldn't feel comfortable approving them as tenants and our landlord would not either (he's a police officer).