Heavy.com News Breaking News PHOTOS: Mason Campbell, the 12-Year-Old Shotgun-Wielding School Shooting Suspect Unlock the latest News news — direct to your inbox. Name Email * Subscribe to the newsletter Get Heavy News Get Breaking News Share on Facebook Share on Twitter Share via E-mail More share options Share on Pinterest Share on Flipboard Share on Reddit Share on WhatsApp 0 Shares By Paul Farrell Updated Jan 15, 2014 at 6:49pm Previous Image: Mason Campbell Kendal Sanders Nathaniel Berrendo Middle School Shooting Roswell New Mexico Middle School John Masterson Social Studies Teacher Next Image: Mason Campbell Kendal Sanders Nathaniel Berrendo Middle School Shooting Roswell New Mexico Middle School John Masterson Social Studies Teacher Gallery: 5/7 Amid all of the panic, it's reported that the shooter was talked down by social studies teacher John Masterson. Back Next Published Jan 15, 2014 at 6:49pm Read MoreBreaking News, Crime, Guns, John Masterson, Mason Campbell, New Mexico, Shooting More News Loading more stories More News ↓