Random selection Jim.

Police are increasingly certain that Anders Behring Breivik acted alonehttp://itn.co.uk/world/25055/Norway+police+Breivik+acted+alone
Breivik Acted Alone, Says Norway Intelligence Chief
http://www.businessinsider.com/norway-bomb-anders-behring-breivik-oslo-shootings-2011-7
Norwegian domestic intelligence chief Janne Kristiansen has told the BBC no evidence has so far been found linking Anders Behring Breivik with far-right extremists in Norway or elsewhere.

But Ms Kristiansen said she thought he had acted completely on his own.
http://www.bbc.co.uk/news/world-europe-14303363