A pardon based on new evidence that exonerates the convicted person is much better than a pardon for social / political / good behavior reasons. 

Past behavior is the best predictor of future behavior, and by that metric she was very risky.

If there's an issue when you finally pay it off, and you need the documentation to be correct, that would be the time to pay a lawyer, in my opinion.But, to sue them for fraud or for them to have committed a crime, you'd have to show that they had "intent" to defraud you, and their actions have not shown any incorrect behavior other than putting a wrong name on a document - which they haven't tried to take advantage of in any way.So, to me, it seems annoying, but not worth worrying about at this point.

Things like "rude behavior," references by non-related individuals, etc?

"Bending the rules" can negatively impact tenant behavior and create bad habits.Then before you know it you are in a big mess and have only yourself to blame.

That kind of behavior is unacceptable and their broker will most likely be completely on your side.  

Were there really no clues that you would encounter this kind of behavior?

Thankfully I haven't had to go to the parents for payments, occasionally I have had the help of a parent with student behavior.

This is normal bathroom behavior, in my opinion.Sure, your and I, if we noticed, would wipe up the water. 

Their behavior does sound suspicious.