CHATTANOOGA, Tenn. (AP) — The truck driver who authorities say caused a highway accident outside of Chattanooga in June, killing six, has been charged with six counts of vehicular homicide. Multiple media outlets report that a Hamilton County grand jury on Monday also indicted 39-year-old Benjamin Brewer of London, Kentucky on four counts of reckless aggravated assault, driving under the influence of narcotics, speeding and making false reports about his duty status.