A woman awakes in the morning to find that someone has picked her apartment's supposedly impregnable door lock and rearranged personal items, even sitting beside her while she slept. The intrusion, the police learn, is a message to the entire city of carnage to come. Lincoln Rhyme and Amelia Sachs are brought in to investigate and soon learn that the sociopathic intruder, who calls himself 'the Locksmith,' can break through any lock or security system...

"In the early hours of a quiet, weekend morning in Manhattan's Diamond District, at the scene of a brutal triple murder, the killer left behind a half-million dollars' worth of gems at the scene. As more crimes follow, it becomes clear that the killer's target is not gems, but engaged couples themselves. Then a witness is left alive. Vimal Lahori, a young diamond cutter, can help Rhyme and Sachs blow the lid off the case-- but has gone into hiding....

Quadriplegic forensic criminologist Lincoln Rhyme leads his team--NYPD detective Amelia Sachs, officer Ron Pulaski, and FBI agent Fred Dellray--to find and stop a killer who uses electricity as modus operandi. Meanwhile, Rhyme is consulting on another high-profile investigation in Mexico with a most coveted quarry in his crosshairs: the hired killer known as the Watchmaker, one of the few criminals to have eluded Rhyme's net.

From the bestselling author of The Bone Collector and Devil's Teardrop comes this spine-chilling new thriller that pits renowned criminalist Lincoln Rhyme against the ultimate opponent -- Amelia Sachs, his own brilliant protege. A quadriplegic since a beam crushed his spinal cord years ago, Rhyme is desperate to improve his condition and goes to the University of North Carolina Medical Center for high-risk experimental surgery. In a twenty-four hour...

-- New York TimesA businessman snatched from an Upper East Side street in broad daylight. A miniature hangman's noose left at the scene. A nine-year-old girl, the only witness to the crime. With a crime scene this puzzling, forensic expertise of the highest order is absolutely essential. Lincoln Rhyme and Amelia Sachs are called in to investigate. Soon the case takes a stranger turn: a recording surfaces of the victim being slowly hanged, his desperate...

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A woman awakes in the morning to find that someone has picked her apartment's supposedly impregnable door lock and rearranged personal items, even sitting beside her while she slept. The intrusion, the police learn, is a message to the entire city of carnage to come. Lincoln Rhyme and Amelia Sachs are brought in to investigate and soon learn that the sociopathic intruder, who calls himself "the Locksmith," can break through any lock or security system...

DANGEROUSLY GOOD. DISTINCTIVELY DEAVER.Lincoln Rhyme and Amelia Sachs return to New York City to confront a killer terrorizing couples at their happiest—and most vulnerable.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 dollars' worth of gems at the murder scene, a jewelry...

-- metaphorically is no longer enough?