When a gunman opened fire inside a Tennessee Waffle House, a brave patron decided to take him on. Metro Nashville Police say 29-year-old Travis Reinking of Illinois killed four people at a Waffle House in Antioch. They say he was armed with an AR-15 and killed two people in the parking lot before going into the restaurant and shooting some more. James Shaw Jr. says he was in the bathroom when he heard the shots. InsideEdition.com's Mara Montalbano (https://twitter.com/MaraMontalbano) has more.