According to the Washington Post, that makes it “the worst loss of life in a single incident within the District of Columbia since an airliner plunged into the Potomac River in 1982, killing 78.” (The Pentagon, where 189 people died on September 11, 2001, is not in D.C. but in Arlington.) D.C.’s mayor says there’s “no known motive” as of yet.

Christopher Frizzelle was The Stranger's print editor, and first joined the staff in 2003. He was the editor-in-chief from 2007 to 2016, and edited the story by Eli Sanders that won a 2012 Pulitzer...