24 Declassified: Death Angel by David Jacobs is the eleventh book in the popular action series based on the Emmy Award-winning Fox TV phenomenon 24 starring Kiefer Sutherland. In Death Angel, rogue CTU agent Jack Bauer is in Los Alamos, New Mexico, investigating a web of murder and espionage that has entangled the top-secret research center for the development of high-tech and nuclear weaponry.