Detective Nobles, who held the battering ram that broke through Ms. Taylor’s door, said he stood at the door, knocking and announcing himself as police for one or two minutes before he used the battering ram to force his way into Ms. Taylor’s apartment. His interview was also played for grand jurors. He said it took three knocks with the battering ram to break down the door completely.The first blow hit the handle, he said. The second broke the door, but left it still on the hinges. The third broke down the door completely. When he entered, Mr. Nobles said it was “pitch black,” and that Sgt. John Mattingly, one of the officers who shot Ms. Taylor, was quickly shot in the leg after the team entered the building.