William Shane-Douglas Johnson, 20 of Summerville, was arrested this week after reports said he found with drugs during a traffic stop for driving under the influence of alcohol.
Reports said that Johnson was pulled over near the intersection of Riverside Parkway and Riverside Drive when officers found he was under the influence of alcohol. A breathalyzer reported his BAC at .096.
A search then led police to find marijuana in his possession.
Johnson is charged with DUI, underage possession of alcohol and possession of marijuana.