I like the idea, but it doesn't quite work for me. The crime scenes in Norway are white, with markings and a blue/black police logo. If you could make it look more like this, than maybe it would work better.
Here's a reference for you
http://www.kreativeffekt.no/Websted/Krim/Sider/Ran_på_Esso_Ullevållsveien_17.06.09_files/Media/IMG_2677/IMG_2677.jpg?disposition=download