"It's a really fascinating way to construct a story because we're doing it by autopsy, by examining very, very closely everything we know about the Norwegian camp and about the events that happened there from photos and video footage that's recovered, from a visit to the base, the director, producer and I have gone through it countless times marking, you know, there's a fire axe in the door, we have to account for that…we're having to reverse engineer it, so those details all matter to us ‘cause it all has to make sense."