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"The judge has spoken ... everyone must die. When a killer starts murdering lawyers in a prestigious law firm, and every lead takes them to a dead end, Detective Chief Inspector Whitney Walker finds herself grappling for a motive. What links these deaths, and why use a lethal injection? Alongside forensic psychologist, Dr Georgina Cavendish, they close in on the killer, while all the time trying to not let their personal lives get in the way of the investigation."--Back cover.