New York Times bestselling author of Dead Time

Disgraced Boulder detective Sam Purdy, FBI counter-terrorism specialist Christopher Poe, and CIA analyst Deirdre Drake are drawn to Yale University to investigate the disappearances of several students—including the sons of both the Secretary of the Army and a Supreme Court Justice. An unseen enemy is playing by no rules, making no demands, somehow anticipating every FBI move—and executing hostages, one by one...