When their daughter makes crazy accusations, they'll roll their eyes or ask her to go inside her apartment.

As others have said, you are not REQUIRED to tell them the reason - and I would advise against it as at the very least will put you in a position for extended dialogue trying to defend your decision, or worse an accusation of discrimination.I would not lie and tell them someone else was first. 

If I suspect a tenant causing something to break like an appliance, I just take care of it and not accuse them of anything.

Somebody wanting to sue for you backing out of a bad deal or accusing you of selling them a property with defects like unknown termite damage).

Somebody wanting to sue for you backing out of a bad deal or accusing you of selling them a property with defects like unknown termite damage).

In addition, getting rid of a tenant with dogs that are accused of biting someone could be a positive for the LL.I would work a compromise that limits the tenant's damages because I do not want a tenant that does not want to live in my unit. 

LK: Your partner is not needed for this transaction yet, can only sign as witness in the closing paper works, so we don't need his participation for now.AT: Did my partner send you a completed application?

Finally I wouldn’t accuse until you have some facts.

@Russell Brazil I have the reading comprehension of a gnat but one of the most fascinating aspects in all of this for me is asset protection and the proverbial "S" throwing contests that I've witnessed when it comes to the law.

Somebody wanting to sue for you backing out of a bad deal or accusing you of selling them a property with defects like unknown termite damage).