somebody in the car opened fire killing corley. his mother says he was a gentle soul, and her fight is just beginning. >> this is the hardest trial of my life. but i know my son would want me to fight. as many times as i wanted to give up, butife deserves so muc alleged gunman birth corley's gunman tells us she believes more people involved in that car should be charged. >>> we're going to take you outside now live to tokyo. you're looking at the olympic cauldron burning bright. nbc's kirk gregory joins us from tokyo with the latest. >> announcer: another gold for the united states. >> reporter: smash and dash, and teams with ryan murphy, andre and apple winning the gold with the 400 relay. this without these igniting celebrations back in florida. >> i was just trying to hold on and trying to get my hand on the wall. >> australia gets to the wall first in the women's 4 x 100 relay. and raven saunders -- >> i am so glad to add to the medal count. >> and then hannah roberts soaring to a medal in the bmx freestyle. gold medal sunday i