Video footage showing Walter Scott fleeing a traffic stop minutes before he was shot dead by police officer Michael Slager has been released by authorities in South Carolina.The recording shows Scott, 50, making a run from his Mercedes-Benz after being warned to stay in the vehicle by Slager, who had stopped him for a broken tail light in North Charleston last Saturday morning.Walter Scott was shot by officer Slager in the back as he tried to flee. Video at www.liveleak.com/view?i=a34_1428447128