Mass shooting: After-action report details ‘officer indifference’ ahead of South Baltimore block party

BALTIMORE — The signs were there. The social media post three days earlier flagged by a police intelligence unit. A U-Haul truck loading in tables and other equipment on the morning of what would be the Brooklyn Day celebration. The growing crowd observed by city surveillance footage that CitiWatch employees viewed before gunfire claimed the lives of two young people and injured 28 other …