The Free State of Jones
I too am looking for the movie, two years later.
I saw a reference to it and then went looking for the 'story'. I found the interesting local story here:
http://journals.aol.com/bmiller224/OldHickorysWeblog/entries/2005/04/23/confederate-heritage-month---april-23-newt-knight-and-the-free-state-of-jones/2945