According to the story she did not even attempt to use reason to get him to leave the house. A shot in the leg would be justified if he refused to back down. She did not even present such an option. It was shoot first, ask questions later.

It is ironic that Americans are so wedded to property rights. The original assertion of rights (http://en.wikipedia.org/wiki/Pursuit_of_happiness) was deliberately modified from the traditional "life, liberty, and property" to the more revolutionary "life, liberty, and the pursuit of happiness."