Capital Gazette shooting suspect used pump-style shotgun in fatal attack: authorities
http://globalnews.ca/news/4304339/capital-gazette-shooting-suspect-5-murder-charges/
...not the weapon of choice for most mass shooters, but effective nevertheless.
Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!