 In 2004, Paul Greengrass (qv) was attached as a director, a script  was written and conceptual work had begun when Paramount suddenly  decided to put the movie on hold for the time being. A short time  after that Greengrass left the project to work on the movie "United  93" instead. After being put into turnaround, the rights were  reacquired by Warners in 2006.