Murder on Treasure Island — M.L. Hamilton

For months, Peyton and her partner, Marco, have been searching for the serial killer known only as the Janitor, but every investigation ends in defeat. He moves like the wind, striking and disappearing without a trace, leaving no evidence behind.Peyton, herself, fell victim to his attack. Now she struggles to focus on her job when her every moment is filled with nightmares of him. Forced to deny her trauma in order to stop him, Peyton fears this case is destined to end a hail of bullets and blood. She's just not sure whose.