Fogel's follow-up provides a hair-raising mixture of Kafkaesque nightmare and Le Carré-type suspense as, over the course of three years, Rodchenkov is a nomad refugee, continuously moving residences, protected by his heardbut-never-seen security detail. Why? Vladimir Putin has publicly stated his determination to kill Rodchenkov. Fogel's astonishing story includes Rodchenkov's daring attempts to counter Putin's charges, and his painful efforts to obtain U.S. citizenship.