Milgrim and Heidi, Garreth said, had each saved his bacon on the Scrubs. Milgrim by zapping Gracie, who’d brought the gun that Garreth had hoped he wouldn’t; and Heidi, as she treated herself to a claustrophobia-reducing jog, by spotting Chombo, headed in the direction of Islington, and bringing him back, against his will, to the van.