Vox – After Sandy Hook we said never again. And then we let 1,000 mass shootings happen. Updated by German Lopez and Soo Oh on June 13, 2016, 11:03 a.m. ET

“In December 2012, a gunman walked into Sandy Hook Elementary School in Newtown, Connecticut, and killed 20 children, six adults, and himself. Since then, there have been at least 1,000 mass shootings, with shooters killing at least 1,140 people and wounding 3,942 more. The counts come from the Gun Violence Archive a database that tracks events since 2013 in which four or more people (not counting the shooter) were shot at the same general time and location. The database’s researchers comb through hundreds of news stories, police reports, and other sources each day and individually verify the reports. Still, since some shootings aren’t reported, the database is likely missing some shootings, and some are missing details. Vox’s Soo Oh created an interactive map with this database. It shows the mass shootings that have been verified since the Sandy Hook shooting…”