Gun Violence Archive dataset produced by ShootingTracker.com 2016 Mass Shootings List GunViolenceArchive.org. GunViolenceArchive.org. GunViolenceArchive.org. 2016 Mass Shootings List GunViolenceArchive.org. mass shootings http://www.gunviolencearchive.org/reports/mass-shooting http://www.gunviolencearchive.org/reports/mass-shooting GunViolenceArchive.org. GunViolenceArchive.org. GunViolenceArchive.org. http://www.gunviolencearchive.org/reports/mass-shooting GunViolenceArchive.org. GunViolenceArchive.org. 2016 Mass Shootings List dataset produced by ShootingTracker.com Gun Violence Project