re: No, mass school shootings aren't getting worse

yeah i used to do that kind of thing with white supremacists specifically. the estimates are under 1M but i'd grossly over-estimate to 1M just to (a) cover sampling issues and (b) give a nice, round number. people would be like "OMG ONE MILLION THAT'S A LOT" and i was like "that's less than 1/3 of 1% of the US population