Check this out:
http://sipseystreetirregulars.blogspot.com/2013/08/collectivist-and-cognitively-dissonant.html
On his Facebook page, Newell said he voted for President Barack Obama but was upset with his administration, citing the President’s failure to close down Guantanamo Bay and the continuing federal crack down on medical marijuana. He also posted an image on his page in support of the Second Amendment, along with a lengthy note opposing gun control. From your link:
On his Twitter page, he tweeted in support of a petition to “eliminate armed guards for the President, Vice-President, and their families, and establish Gun Free Zones around them.”
In a comment at Mother Jones last year, Newell wrote: “if you bring an AR15 to a public meeting & parade around with it you should go to jail I believe in the second amendment, but there is a difference between the second amendment & terrorizing people!”
A little more info and links to local media:
http://www.cbsnews.com/8301-504083_162-57597207-504083/pennsylvania-municipal-shooting-update-rockne-newell-suspected-gunman-tried-firing-more-shots-authorities-say