<Li> Roger Bart as Brian Bringham </Li> <P> Frank Darabont was originally attached as director, but left the project in early October 2008 over script disagreements . According to rumor, his relationship with the film's production company "ended ugly ." </P> <P> In a reversal of their roles in the final version, Gerard Butler was initially signed on to play the prosecuting attorney, while Jamie Foxx was the criminal mastermind operating from inside prison . </P> <P> Filming began in August 2008 and took place in and around Philadelphia . Filming locations included Philadelphia's City Hall and the now closed Holmesburg Prison . Holmesburg's "Thunderdome command center" is quite evident in the movie . </P>

Law abiding citizen why did they kill his family