Please pardon Marissa Alexander, who, in self defense, fired a warning shot at her husband. Marissa had already filed a protective order against him, and was trying to protect herself from an attack. She has been sentenced to 20 years in prison.
Here are a few news articles describing Marissa Alexander's case:
http://www.cbsnews.com/8301-201_162-57433184/fla-mom-gets-20-years-for-f...
http://www.huffingtonpost.com/2012/05/19/marissa-alexander-gets-20_n_153...
http://www.wtsp.com/news/article/324906/19/Fla-mom-gets-20-years-for-fir...