Dale -- seems this latest one might not really fit as such -- apparent motive a specific crush gone bad (the 16-year-old female victim, reportedly critical with life-threatening injuries)), pistol v. semi-auto rifle
Greensburg, KS - 5/4/07
"Eternal vigilance is the price of Liberty."
from John Philpot Curran, Speech
upon the Right of Election, 1790
F6