President Donald Trump’s crusade against crime in the nation’s capital has resulted in more than 450 arrests since Aug. 7, the White House announced Tuesday morning. Those arrests, fueled by an increase in federal agents on city streets, run the gamut of charges, from murder and assault to driving under the influence. But a full picture about who has been arrested, where, for what and by whom is not yet clear. Every day, the White House issues a summary of the previous night’s operation, including the number of arrests and some examples of arresting causes. Numbers of illegal firearms seized...