... fits the genre of true crime only partially, bearing little resemblance, for example, to Truman Capote’s In Cold Blood, in which the author, a master manipulator of plot, character and scene, conceals himself, the better to immerse the reader in time and place. Ms. Cooper’s, by contrast, is a quest narrative, with an angsty young protagonist and fractured storytelling along the lines of the podcast Serial. When Ms. Cooper describes her war room, covered with 'theories and photos, a map of Iran, a blueprint of an apartment building, all stuck to my cork boards with dissection needles,' she sounds like Carrie Mathison of Homeland, flirting with the porous boundary between commitment and mania.