 A Williamson County man has been arrested after police pulled him over in Heron with drugs and small children in his vehicle. According to the Williamson County Sheriff's Office, 27-year-old Cortrell D. Johnson Jr. of Heron was pulled over in a routine traffic stop. Police say they noticed a strong odor of cannabis and observed three children, ages 2, 3, and a 13-day-old infant in the car. A search of the vehicle yielded methamphetamine, alprazolam,