"Seems she was a "prepper", storing food and weapons for when the economy would collapse, because of those loonie lefties they keep referring to."
Probably taken in and panicked by the apocalyptic AGW hoax and the impending climatic catastrophe that AlGore is always prattling on about...
After all, AlGore claims we are in a "Planetary emergency" and the waters are going to rise (10,20,50) ft (pick a large scary number) and flood everyone except of course for AlGores beach-front property...
It is also reported that the kid/shooter was a obsessive "gamer" spending large portions of each day playing violent video games...
An obsession with these violent video games seem to be one common theme behind these recent massacres as does phycotropic amd mind-altering prescription medication although that doesnt seem to have been mentioned yet to my knowledge...
