Editor’s note: As part of our 10th anniversary, Behind the Badge is sharing stories from our archives: This story is from October 6, 2017. Today (Oct. 1) is the seventh anniversary of the Harvest Festival shooting in Las Vegas. The first thing he noticed, after the shots rang out, was a man on his back, about 10 feet to his right. Like most of the other 22,000 attendees of the outdoor country music festival, when headliner Jason Aldean was on the fourth song of his set Sunday night, Brandon Mundy had been awash in good vibes. Before Aldean had taken…