What to do about disruptive condo association board member

We own a condo in a three unit building. It is written in our bylaws that each owner must hold a position on the board. I am the Treasurer. Out of the other two owners one agreed to be the secretary. She has never fulfilled her duties and so I have had to not only be the Treasurer but the Secretary as well. This person does nothing but try to cause the Association money by constantly breaking the rules of the building, destroying, moving or touching our personal property and now has resorted to going to the City Code enforcement office to try to get them to find things wrong with our building. They found two very small things which we already had plants to address when the winter season was over. She has not paid a condo fee since last May. She has not paid over $1,700 in assessments. She mounted a game camera on the outside of the building pointing down to our parking space. It is too high up to remove. She has caused one of our tenants to leave because she was stomping around her unit so loud they could not sleep. The Association has placed a lien on her unit as of December 31st 2011. This person has told our neighbors that she has a gun and knows how to use it. Both us and the other "sane" owner feel very threatened by this person. We have talked with our lawyer who has been really great through all of these issues and he says "no law against having a gun" and we can't do anything about it. This person is a ticking bomb waiting to go off. The scariest part is that she holds a position within our prison system and is a state employee. And to my question...how can the Association get this person removed permanently from our building?