pbA serial killer on death row challenges a forensic linguist to solve his final puzzle in a novel of breathtaking mind games by the iWall Street Journali bestselling author of iThe Lies You Wrotei.bppForensic psychologist Callum Kilkenny lost his wife, Shay, to the very serial killer he'd hunted for five years. When Nathaniel Conrad--known as the Alphabet Man, for his love of tattooing codes onto his victims' bodies--was condemned to death row, Callum thought the game of cat and mouse was over. But just before execution, Nathaniel drops a bombshell he's not the one who murdered Shay.ppAfter analyzing the killer's taunting, coded letters to authorities--one for each victim--FBI forensic linguist Raisa Susanto believes him. The discrepancies bear it out. So was it a copycat A partner in crime Or something more sinister If Nathaniel knows the answer, Raisa fears he'll be taking that closely guarded secret to his grave.ppAs Raisa and Callum are pulled into an investigation to solve Shay's