#1 New York Times bestselling author Patricia Cornwell returns with ather scintillating thriller in her high-stakes series starring medical examiner Dr. Kay Scarpetta. On a hot late summer evening in Cambridge, Massachusetts, Dr. Kay Scarpetta and her investigative partner Pete Mari respond to a call about a dead bicyclist near the Kennedy School of Government. It appears that a young woman has been attacked with almost super human force. Even before Scarpetta's headquarters, the Cambridge Forensic Center, has been officially tified about the case, Mari and Scarpetta's FBI agent husband Benton Wesley receive suspicious calls, allegedly from someone at Interpol. But it makes sense. Why would the elite international police agency kw about the case or be interested? With breathtaking speed it becomes apparently that an onslaught of interference and harassment might be the work of an anymous cyberbully named Tailend Charlie, who has been sending cryptic communications to Scarpetta for over a week. Stunningly, even her brilliant tech savvy niece Lucy can't trace whoever it is or how this person could have access to intimate information few outside the family would have. When a second death hundreds of miles south, shocking Scarpetta to her core, it becomes apparent she and those close her are confronted with something far bigger and more dangerous than they'd ever imagined. Then analysis of a mysterious residue recovered from a wound is identified as a material that doesn't exist on earth. In this latest in the bestselling series featuring medical examiner Dr. Kay Scarpetta, Cornwell shows us once again why she is the world's number one bestselling crime writer, mistress of the shocking turns, delicious thrills, and state-of-the-art forensic details that all fans of suspense have come to love.