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...