The cab carrying Serrin and Tom curb-crawled Grenzs-trasse twice before Gunther chose to reveal himself, motioning for them to get out of the auto. They paid the driver, pulled up the collars of their coats, and stepped out onto the sidewalk. Serrin didn't like the weight and feel of the credsticks in his pockets, and he was desperate to hear from Kristen about how Michael was doing.