GREENWOOD, Ind. — Within 15 seconds of a mass shooter opening fire inside the Greenwood Park Mall, Elisjsha Dicken got off 10 rounds, striking the shooter 8 times, and killing him. Police say Dicken was shopping with his girlfriend Sunday at the mall when he stopped at a cookie counter close to the main walkways of the mall. When the gunman exited the restroom, beginning his shooting spree, police say what he did was nothing short of heroic. Armed only with a handgun, police say Dicken first engaged the shooter from a distance of 40 yards. Police say he was...