I doubt they will charge her of anything at all. Even if they did decide that she committed murder she would get off. How often do you see an 80 year old put in prison. As long as they dont think she will do it again, she'll be turned loose because there's not really any point in putting a person that old in prison. And whether she was living there or not, as the article states, she was protecting her possessions. Just because she had the gun, the guy could have killed her with the prybar.
Gainfully employed= shooting somebody elses bullets and getting paid for it