Today is the fourth anniversary of the
Sandy Hook massacre, where a lone gunman killed 26 people at Sandy Hook Elementary School in Newtown, Connecticut. It was the deadliest mass shooting in a school in US History.
Since the massacre four years ago, there has been a shooting on school grounds about
once a week. CNN correspondent Jake Tapper is tweeting pictures of all the victims.
https://twitter.com/jaketapper?lang=en