2 seems to be out. In situations where guns are not readily available, people who have decided to kill choose other means, such as poison, bombs, or knives.

Two is in. Poisons and bombs arent readilly available anywhere in the first world. Knives are less effective, which is why the army and police are armed with guns.

Compare this -- machete attack, 7 injured non-fatally with this--gun attack, 17 dead