1. Pallas quintile Pluto. Held in check because Pallas is conjunct the Sun.
2. Venus trine Neptune.
3. Pluto in the Second House.
4. Pluto square Moon.
5. Pluto quintile Sun.
Without the Pallas-Sun conjunction I believe we would have seen a higher body count, and more than one violent public event.
We also get relevant aspects when we superimpose the shooting chart around Canada's chart: