Dark times lie ahead for Special Agent Ren Bryce and the Rocky Mountains Safe Streets Task Force in the heart-stopping new thriller from the bestselling author of DARKHOUSE and BLOOD LOSS. In her most shocking case yet, FBI Special Agent Ren Bryce takes on a depraved serial killer fueled by a warped sense of justice. A master of evasion, each life he takes ramps up Ren's obsession with finding him. Then one victim changes everything and brings Ren face to face with a detective whose life was destroyed by the same pursuit. Together, can they defeat this monster? Or will he take them both down?