State of Play / Большая игра (2009)

Movie story: Cal McCaffrey - an experienced American journalist, is now engaged in investigating the murder of petty thieves. Chain protagonist investigation leads to events that have nothing to do with the murder. These were monstrous conspiracy that led Cal to political officials. People with whom the protagonist will have to deal turn their billions and run the country. Is it possible that Cal McCaffrey wrong and not out there looking for the killer?