According to Variety, Rampart was written by Oren Moverman and James Ellroy.
The film is set against the backdrop of the scandal within the L.A.P.D. Rampart Division in the late 1990s, and is the fictional account of a veteran police officer (Woody Harrelson) caught up in the scandal, and his search for redemption.
Rampart will begin production Oct. 25 in Los Angeles.
Rampart was released January 27th, 2012 and stars Sigourney Weaver, Woody Harrelson, Robin Wright, Steve Buscemi, Ben Foster, Brie Larson, Anne Heche, Jon Bernthal. The film is directed by Oren Moverman.