This frame from video that was livestreamed Friday, March 15, 2019, shows a gunman, who used the name Brenton Tarrant on social media, in a car before the mosque shootings in Christchurch, New Zealand. (Shooter's Video via AP)
CHRISTCHURCH, New Zealand: A right-wing extremist who filmed himself on a shooting rampage that left 49 mosque-goers dead flashed a white power gesture as he appeared in a New Zealand court Saturday charged with murder.