A Texas teen who had just been busted in a double murder case promoted his Instagram handle as he walked past throngs of reporters this week. Kiernan Christopher WIlliams, 19, is facing two capital murder charges in connection with the Sunday night slayings of Robert Martinez, 21, and Alejandro Robles, 25, during an argument at the Ventura bar in San Antonio, police said. Officials walked Williams in front of TV cameras a little after 4 p.m. Monday - and the teen used the opportunity to promote himself. “Y’all gotta follow me on instagram, _32baby.k9_,” Williams said, according to video obtained...