“Meghna watched. Her eyes moved from vehicle to vehicle, from face to face, scanning for the silhouette—the man in the dark jacket, the stillness, the watching. The memory had been replayed so many times that it had acquired the sharpness of a photograph and the unreliability of a dream—she could see the shape, the posture, the jacket, but the face remained a void, a space where features should have been and weren't, and she knew that this absence was the gap that the investigation would either fill or never fill.”