The Angel of Murder

In the fourth book of The World of Murder series, detectives O'Roarke and Garcia track a disturbing series of child murders across New York City, with no leads in sight. As a private investigator gets involved on behalf of a missing girl’s family, the case becomes increasingly complex. Despite their efforts, the detectives face the challenge of a case that appears to go cold, leaving questions about the identity and future actions of the elusive killer.