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.

Elon Musk. Bill Gates. Kanye West. Joe Biden. Barack Obama. They and dozens of others were being hacked recently, and Twitter appeared powerless to stop it. Who had brought the tech giant to its knees? A 17-year-old kid in Tampa.