Not sure if anyones picked up on this before but its so good it deserves another mention anyway.
This is an amazing website for map and demographic geekery (Londoncentric I'm afraid).
Camden (unsurprisingly) has a high drugs crime rate in the lovely camouflaged crime map. And quite a fair few Scottish people live there. No connection I hope.
Background here: http://news.bbc.co.uk/1/hi/uk/7315460.stm