The Cipher (Nina Guerrera)

An Amazon Charts bestseller. To a cunning serial killer, she was the one that got away. Until now FBI Special Agent Nina Guerrera escaped a serial killers trap at sixteen. Years later, when shes jumped in a Virginia park, a video of the attack goes viral. Legions of new fans are not the only ones impressed with her fighting skills. The man who abducted her eleven years ago is watching. Determined to reclaim his lost prize, he commits a grisly murder designed to pull her into the investigationbut his games are just beginning. And hes using the internet to invite the public to play along. His coded riddles may have made him a depraved social media superstaran enigmatic cyber-ghost dubbed the Cipherbut to Nina hes a monster who preys on the vulnerable. Partnered with the FBIs preeminent mind hunter, Dr. Jeffrey Wade, who is haunted by his own past, Nina tracks the predator across the country. Clue by clue, victim by victim, Nina races to stop a deadly killer while the world watches.