An investigator with the Roane County Sheriff’s Department found himself being arrested by Knox County authorities this past Friday night (November 17, 2017). According to the arrest report from the Knox County Sheriff’s Department, numerous calls were made to 911 in Knox County regarding a black SUV driving east in the westbound lanes of Interstate 40 near Watts Road. Several officers were able to stop 43-year-old Greg Scalf who reportedly failed a field sobriety test. Scalf was charged with driving under the influence. According to Roane County Sheriff Jack Stockton, Scalf is under administrative leave with pay pending the outcome of the case.