Unsettling footage obtained by NBC News shows the moments leading up to the fatal police shooting of Keith Lamont Scott in Charlotte, North Carolina. The video, taken by Scott's wife, does not clearly show the exact moment he was shot by police on Tuesday. Scott is seen on the ground surrounded by police officers moments after the shots were fired. "He better not be f---ing dead, he better not be f---ing dead," Rakeyia Scott can be heard shouting at the officers. "He better live, he better live!" It is not clear what preceded the shooting. The killing of Scott, 43,...