A months-long investigation into drug activity at a Mount Vernon Avenue residence in Chestertown has led to multiple arrests and renewed charges, with Chestertown Police Chief Ron Dixon telling the Chestertown Town Council that the work is far from over. Kent County News reports Keith Eric Brooks, 65, of 223 Mount Vernon Ave., was served a criminal summons Sept. 24 charging him with keeping a disorderly house. David Lawrence Grant, 44, who faces new criminal counts related to narcotics activity. To further address community concerns, Dixon and Council member Tom Herz noted that a surveillance camera is scheduled to be installed in the Mount Vernon Avenue area to help monitor activity and improve neighborhood safety.