Paul Greengrass ("Captain Phillips," "The Bourne Ultimatum") has signed on to direct the untold true story tale "The Tunnels" for FilmNation Entertainment Based on Greg Mitchell book proposal, the story follows a covert escape mission where West Germans tried to get their friends and family out of East Berlin. Their group received support from an American news organization who funded their efforts. Mark Gordon is producing and said in a statement: "Paul and I have been looking for a project to work on together for some time.