Lincoln Rhyme and Amelia Sachs return to New York City to investigate a triple murder and confront a killer terrorizing couples at their happiest--and most vulnerable in this explosive New York Times bestseller. In the early hours of a quiet, weekend morning in Manhattan's Diamond District, a brutal triple murder shocks the city. Lincoln Rhyme and Amelia Sachs quickly take the case. Curiously, the killer has left behind a half-million...