If you have ever played any version of Dungeons and Dragons, the shrieker is probably the best analog to the far right wing region of the Blogosphere. Have a look at how people are falling all over themselves to disavow any connection to the Aurora theatre shooter.
Little Green Footballs - Mass Murder in Colorado Prompts Full-on Right Wing Victimhood Binge:
'via Blog this'
The world is being treated to fact free knee jerk reactions from all sides, in their race to get the first tweet/post/interview, lots of calories have been burnt in leaping to conclusions, dodging responsibility, and general bad journalism on the part of some, and more calories spent on hysterical shouting.
Information about the shooter and the circumstances do not appear to have anything to do with politics in the US. In fact, information available at the moment provides very nearly zero indication of a motive.
Time to slow down and find out some facts before burning someone at the stake.
While you're waiting, have a look at decent, thoughtful reporting from serious journalists: