Since the day a gunman walked into Sandy Hook Elementary School, taking the lives of 20 children, there have been 74 more school shootings across the United States. After this week’s latest shooting, in which a gunman killed one student and injured a teacher at an Oregon high school, the organization Everytown posted data about each assault, homicide, suicide and accidental shooting that has taken place on a school campus since that terrible day in December of 2012. Using Zeemaps, The Huffington Post’s Mark Gongloff, mapped each incident in the shocking image below …
