JOHANNESBURG - Three smiling faces stare back from the passenger seat. Silently, captured in a halo. Paul Nothnagel stared at them on Thursday. Then he opened fire. Two of them - Chane, 18, and Mischke, 14 - are dead. Their mother Linda, 43, is fighting for her life after her ex-husband ambushed her as she drove her girls to school on Thursday morning. Paul, 44, then killed himself. Abram Moraba bore witness to the tragic shooting. On Wednesday, Moraba was on his... (GunPolicy.org)