He doesnt have much in common with the people mentioned in this article, except Breivik maybe, though i might be completely wrong since i havent read up on the Unabomber.
Very well written and interesting. While some people put the blame on firearms (lets not turn this into a debate on gun control) i believe that its the media attention that is the biggest culprit.
https://www.youtube.com/watch?v=PezlFNTGWv4