"At that time I started working on the script. There already was a script -- written by Matthew Michael Carnahan -- but it was very much a condensation of the TV series. I felt we needed to move away from it more -- I wanted to do an interpretation and not a version of the original thing. Everyone's always going to blame you if you stick too close to the original whereas if you move further away it makes it its own entity and it's a lot easier. We started working with Tony Gilroy and once he'd firmed up a draft we showed it to Brad and he didn't like it. We discussed for a bit and he and I had the classic "creative differences." He wanted something much closer to the series and I felt, and still do feel, that thrillers need to be incredibly simple. You need to make something incredibly simple and then make it look complicated. Movies just aren't built for the level of complexity you'd find from the original series. So he walked off the project less than a week before we were due to start shooting."