Title: The cutting edge
Description: Lincoln Rhyme and Amelia Sachs take on the investigation of a brutal triple murder in Manhattan's Diamond District. The killer, known as the Promisor, is murdering men and women midway through the purchase of an engangement ring.
Subjects: Forensic scientists, Police, Serial murderers, Serial murder investigation, Fiction, Rhyme, lincoln (fictitious character), fiction, Sachs, amelia (fictitious character), fiction, Serial murders, fiction, New york (n.y.), fiction, Fiction, mystery & detective, police procedural, Forensic pathologists, fiction
Places: New York (State), New York
People: Lincoln Rhyme (Fictitious character), Amelia Sachs (Fictitious character)