A Washington, D.C., police sergeant is on administrative leave after authorities say he crashed a car into a federal vehicle during a traffic stop and was found with unregistered weapons. (RELATED: Residents In One Of DC’s Roughest Wards Say Trump’s Crime Crackdown Needed)A DC police sergeant is accused of crashing a car into a federal vehicle during a traffic stop and fleeing from agents. He is being held in jail without bond and is due back in local court Friday, court records show. The vehicle Clark allegedly crashed into contained three of the State Department’s Diplomatic Security Service (DSS) agents, police said. Trump temporarily federalized the MPD in August 2025 and began deploying more federal agents to D.C.’s streets and stationed National Guard troops around the district in response to rising violent crime.