On Dec. 24, at 7:35 p.m., Trooper First Class Merkelson stopped a vehicle on Route 231 near Yardley Hills Drive in Prince Frederick for traffic violations. 

Swindell Smith, Jr., 47, of Washington, DC, was arrested and charged with driving under the influence.  He was also found to be in possession of cocaine. 

He was taken to the Calvert County Detention Center for processing.