"4x the number of children were killed in schools in the early 1990s than today."
— Walter Olson (@walterolson) February 27, 2018
"Shooting incidents involving students have been declining since the 1990s."
"'This is not an epidemic.' Mass school shootings are incredibly rare events."
[@jamesalanfox] https://t.co/QEQFdLrBPN