
Betrayal of Trust – A Medical Thriller
Geoffrey M. Cooper
Type: ARC
Genre: Mystery, thriller
Word count: 56,000
Warnings: Graphic violence, swearing
A cancer researcher’s murder is initially attributed to revenge for harassment of female students. But a second murder forces detectives to consider other motives. When the killer strikes a third time, Professor Brad Parker thinks he’s figured it out and sets a trap for the killer. Or does he fall prey to a trap the killer has set for him?

What’s this?
Who’s killing the cancer researchers?
A leading clinical investigator is butchered in his hotel room hours after receiving a prestigious award for cancer research. Weeks later, a second researcher is the victim of an apparently random mugging in a parking garage. Unexpectedly, crime scene DNA establishes that the two men were killed by the same woman. But her identity remains unknown, her motive is mysterious, and the connections between the victims are scant—except that they were both collaborating with Professor Brad Parker at the Maine Translational Research Institute. When the killer strikes close to home, Brad and his fiancée—state police lieutenant Karen Richmond—are drawn into a nightmare of maniacal revenge. Until Brad sets a trap for the killer…or falls prey to a trap the killer has set for him.
Geoffrey M. Cooper is an award-winning author of medical thrillers and a 2023 Maine Literary Award Finalist in Crime Fiction. His experience as a former cancer researcher, professor, and scientific administrator at Harvard Medical School and Boston University now provides extensive background for his novels. He lives in Ogunquit, Maine.
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