If you watch clips from the scene some of the police cars are solid white. And obvious green screen.
Start at http://www.youtube.com/watch?v=cy4CPgDOLEY&list=PLELUekH3Z93BRa-uxrIYMfAIWpLrqGUzY and it will also show the next vid of the very fake family photo with Emelie. The weed on the father’s knee, Emelie’s hair, and the square patch on the hands all very chilling. This guy’s analysis of several vids is eye opening.