With the Brickyard 400 a few days away, state officials are stepping up efforts to target sex trafficking.
Indianapolis Representative Christina Hale says officials have made door-to-door visits to Speedway businesses posting fliers urging victims of sex trafficking to call a state helpline, and urging everyone to call authorities if they see early-teens who seem unusually fearful and under an adult's control.
Big sporting events often draw a spike in prostitution rings -- Attorney General Greg Zoeller says authorities made 18 arrests during April's Final Four, and saw a noticeable increase in Internet traffic promoting the sex trade.