Robert, two posts that add NOTHING except to attack a long time contributor to BP. 

By all means if you are uncomfortable with your understanding of landlord tenant laws for your state you should consult an attorney but don't be so quick to spend money just because some kid's mommy threatened to sue you because her little boy had an asthma attack. 

Or was this person that attacked your tenant "related" to your tenant in anyway?

Since she is exhibiting what I would call "attacking" behavior ... this could wind up costing you lots of money if you allow this to continue.    

Question for my multi family investors. In this particular scenario, I have a duplex and each side have 2 dogs. Neighbor A's dogs are never leashed and neighbor b's dogs are always leashed. A's dog ran after bs dog an...

Yes @Rick Santasiere it is sorta bad, to move her stuff - but suggested in a manner if all else fails and she thinks removing rotten food was bad and upset her so that she attacked people, that moving her stuff would really cause a big problem but be ready to record it and call police immediately.

I know they can be trained to attack, but does the by definition make them a violent breed? 

If you attack them over their entire housekeeping skills, they'll be less likely to be cooperative, in my experience. 

Although one of our tenants seems to have an "attack" cat, and she has to put him in the bedroom when our contractor comes ;)

Not possible.. you need to let those that are in the business attack this..