“NYPD Officer Fired Gun Inside Columbia’s Hamilton Hall, Manhattan DA’s Office Confirms”: https://www.thecity.nyc/2024/05/02/nypd-officer-fired-gun-columbia-hamilton-hall-raid/
Also note this: “Cohen said no students and only police officers were in the immediate vicinity when the shooting occurred.” In other words, the officer had their gun drawnfor no reason and used flash-bangs when that would not be normal for this sort of situation. It is lucky that no one was killed. (It's probably also why the NYPD wanted no journalists or legal observers present.)
