Screenwriter/Producer Mark Boal (Zero Dark Thirty, The Hurt Locker, In The Valley Of Elah) talks to DP/30 about the critically acclaimed yet highly controversial terrorist hunt film Zero Dark Thirty. How much of the film’s events correlate to what actually happened? How did Mark go about unearthing the true character of the CIA agent who doggedly tracked Osama down? Why do films like these matter?