President Trump visits the U.S. Park Police Anacostia Operations Facility on August 21 in Washington, D.C. Inside the federal courthouse in Washington, D.C., on Monday, those tensions broke into open court. A federal judge dismissed a weapons case against a man held in the D.C. jail for a week — concluding he was subject to an unlawful search. The arrest — and the decision to abandon the federal case — come at a time of heightened scrutiny on police and prosecutors in the District. A range of crime data has been going around to make the argument that Washington, D.C., is — or isn’t — safe.