New Zealand shootings highlight social media's use as terrorism tool Washington Examiner17 minutes of carnage: how New Zealand gunman broadcast his killings on Facebook ReutersYouTube, Facebook, Twitter scrambling to contain video of New Zealand mosque shooting ABC NewsThe Christchurch mosque shooter, steeped in online culture, knew how to make his massacre go viral Washington Post8chan User Claiming to be New Zealand Shooter Posted 'See You All in Valhalla' Before Mosque Massacre NewsweekView full coverage on Google News