The Fourth Monkey (MK Thrillers Book 1)

Details: For over five years, the Four Monkey Killer has terrorized the residents of Chicago. When his body is found, the police quickly realize he is on his way to deliver one final message, one that proves he has taken another victim, who may still be alive. As the lead investigator on the 4MK task force, Detective Sam Porter knows even in death, the killer is far from finished.