This is one of those few times where I request you read someone else's well thought-out article. This article was written for the Heritage Foundation and is hyperlinked below.
Please go to: http://www.heritage.org/research/reports/2013/01/the-newtown-tragedy-complex-causes-require-thoughtful-analysis-and-responses?utm_source=Newsletter&utm_medium=Email
My oldest son puts it much simpler, in terms of The Bible, reading Genesis 4:8: "Dad. Did Cain murder Abel or did the bone Cain most likely used to beat his brother's brain to a pulp murder him?"
Thoughtful analysis indeed...