What does "Liberal gun laws" has to do with this. Look at Norway with it's strickt gun laws - did that stop Brevik? He stated that if he would not get the guns legally he would obtain tehm illegal - which in fact are easier and cheaper. The criminal groups in Norway have had AK47 fully automatic for a long time even they have never been sold legally. Criminals and seek minds do not go by the law - period!
Palestinian faction declare strike in Bethlehem in mourning of teen's death at noon(Haaretz)
from the article: Mass, random shooting sprees are as American as baseball and apple pie