If she owns the home in which lives she should ask the city to give her title to the abandoned home. She can then have it ripped down herself, double her property and improve the condition in which she lives, along with the neighborhood in general.
Let's see, what could we do? Maybe the government could send the military after all of the white people that moved out and make them move back. Kind of like the busing success. Government always has the answer or with all of the homeless in America we could bus the homeless to Detroit and give them free homes.