"A body is found in a barrel of asphalt next to Lowes Motor Speedway near Charlotte just as 200,000 fans are pouring into town for race week. The next day, a NASCAR crew member shares with Tempe a devastating story. Twelve years earlier his sister, Cyndi Gamble, then a high school senior who wanted to be a professional racecar driver, disappeared along with her boyfriend, Cale Lovette. Lovette kept company with a group of right wing extremists known...