The first police radio dispatch came through at 3:07 p.m. Eastern time on Halloween: "Pedestrian hit at Pier 40. Pier 40 between West Houston and Clarkson."
The next came 17 seconds later, the voice of the same New York police dispatch officer describing another incident nearly a mile away. "Another pedestrian hit, between West and Chambers," she said.
Within less than a minute, a different officer came on the line. "Can I get an additional [ambulance] over at West and Chambers?" he asked, before panic rose in his voice. "Shots fired," he said. "Shots fired!"
The events across a 20-block stretch of a West Side bicycle...