Straying away from this horrific tragedy a little. Below is an analysis
some may agree with and others vehemently deny. It concerns a comparison with the UK gun laws(after Dunblane), Australia and the US.
It also raises possible reasons for the 2nd amendment and how Scotland never felt the need to follow the same road.
http://www.heraldscotland.com/news/14340378.Twenty_years_on__the_truth_about_Dunblane_and_gun_laws/