Ridley Scott and Gerard Butler to Develop fact-based Thriller about Simon Mann

Director Ridley Scott is teaming up with Gerard Butler to develop a film project based on the true story of a former British army officer Simon Mann, "who in 2004 put together a band of mercenaries to attempt a coup against the president of Equatorial Guinea. The coup attempt was thwarted in Zimbabwe, where Mann went to pick up weapons. He spent five years in a harsh prison there before being taken to Equatorial Guinea where he was sentenced to 34 years–but spared that sentence when he received a presidential pardon in 2009. His backers –Mann said one was Mark Thatcher, son of British Prime Minister Margaret Thatcher—disavowed involvement with Mann after the coup failed."

I love a good thriller true story, and this definitely sounds like an interesting one. It's easy to imagine Scott directing a film like this and Butler starring in it. And for clarification Scott has attached himself to the film as the director, and Butler would obviously take on the lead role of Simon Mann. 

Robert Edwards (The Bomb In My Garden) has been brought on board to write the script, and is currently making the pitch rounds in Hollywood with both Mann and his wife Amanda. There's a lot of interest surrounding the project, so I imagine it will get picked up by a studio soon. Do you think this will make for a good film?