O’Malley and headed back downtown to the station. The whole sky was an eerie pink. Green spent the drive on his cellphone, trying to track down the dark green car. Neither the families of Omar Adams or Nadif Hassan owned such a car, but David Rosenthal was still a mystery. He and his white van were registered at the hotel he had given to the crash investigators, but neither had been seen all day. Green had a bad feeling about the stranger who had come looking for Caitlin. Had the police’s own efforts to identify her on the street tipped off the killer that she might be a threat? Had the police inadvertently placed her in harm’s way? Once they arrived back at the station, he sent Levesque home to her dinner engagement while he headed straight down to speak to the duty sergeant for the Central District. “We need to step up our efforts to find this young woman. We now have a name—Caitlin O’Malley—and a possible street name, Foxy.” He handed his colleague a new photo that Mrs.
