The stunning number swept across the internet within minutes of the news Wednesday that, yet again, another young man with another semi-automatic rifle had rampaged through a school, this time at Marjory Stoneman Douglas High in South Florida.
The figure originated with Everytown for Gun Safety, a nonprofit, co-founded by Michael Bloomberg, that works to prevent gun violence and is most famous for its running tally of school shootings.
Our hearts are with all those impacted by the shooting at Marjory Stoneman Douglas High School in Parkland, Florida today.
This is the 18th school shooting in the U.