Culpeper County Sheriff Scott Jenkins reports that at approximately 7:45 p.m. Saturday, October 4, 2014, Deputy Robert Vail was patrolling Rixeyville Road in the area of Emerald Hill Elementary School, when an oncoming vehicle failed to dim its headlights. Vail conducted a traffic stop on the black BMW and found the driver, Michael L. Jackson, 39, of Culpeper, to be under the influence of drugs.