As the coronavirus ravages more and more American cities, we look back to the place hit hardest: New York City. Doctors and nurses documented their lives, capturing awe-inspiring resolve in the face of a breakdown in the health-care system.

A New York Times investigation examines what happened at 3003 Springfield Drive in Louisville, Ky., just after midnight on March 13, 2020, when police executed a warrant that resulted in the death of Breonna Taylor.