He was crossing Union Square West at Seventeenth, and had the Corolla in sight, when some of the sirens simultaneously arrived and ceased. He looked back, along Seventeenth, and saw a police car and an ambulance sitting at angles in the intersection at Park, their rooftop lights frenetically red and blue. Three identical black SUVs appeared, from the east, on Seventeenth, sirenless, to disgorge bulky, black-clad figures that appeared to Milgrim, at this distance, to be wearing spacesuits. These were the new post-9/11 superpolice, he guessed, though he couldn’t remember what they were supposed to be called. Samson squads? Some of them entered the building through an entrance at the corner. Now the first of what sounded to be several fire engines.