Anders Behring Breivik, the Norwegian man who admits to killing 77 people last month, allegedly contributed to a range of online neo-Nazi, nationalist and anti-Islam forums. Now the European Union's criminal intelligence agency Europol is launching an investigation into non-Islamist extremism in Scandinavia. This report looks at what role the Internet played in the massacre in Norway.

[youtube]http://www.youtube.com/watch?v=_pbPm647gL4[/youtube]