A Gallagher Novel

Twenty years ago, a group of doctors formed a partnership to build a medical office plaza in Massachusetts...Someone wants the doctors dead, and he or she has already succeeded in murdering two of them...The widow of one of the slain doctors has a clue - but she’s too afraid to tell the police. She hires Boston private investigator Daniel Cormac Gallagher to help track down the murderer. But as Gallagher begins to unravel the mystery, he finds himself entangled in a web of danger and political intrigue.

In the thriller Deadly Codes, Daniel Cormac Gallagher Jr., a Boston private eye, is hired to investigate the death of Jennifer Clark, tragically killed in a car bombing in her own driveway. Gallagher has been commissioned by Jennifer’s twin sister to find a mysterious woman, Jennifer’s secret lesbian lover who vanished immediately after the bombing.

This third exciting installment of JP O’Donnell’s popular Gallagher series finds our hero facing a uniquely emotional challenge. The shocking disappearance of Gallagher’s ex-wife, Kate, whose past includes a secret that she has never revealed to him, ignites a desperate search to find her. Kate’s secret and her mysterious disappearance make Gallagher realize that not only is her life in danger but that he loves her more than ever.