You won’t see them until it’s too late. Undercover officers in unmarked cars are looking for distracted drivers in Warren County.“We wrote 49 citations the first day,” said Tennessee Highway Patrol Sgt. Jimmy Jones of a new initiative to crack down on distracted drivers. “We had numerous texting violations among other things.”Jones, who leads the local contingent of troopers, said the move comes in hopes of making Warren County roads safer in the wake of a deadly start to 2017 that saw four traffic fatalities in January.