Description
On, Off by Colleen McCullough is a gripping crime thriller set in Holloman, Connecticut. When mutilated body parts are discovered at a prestigious medical research centre known as the Hug, Lieutenant Carmine Delmonico uncovers a pattern of brutal murders spreading across the state. As suspicion falls on the centre’s secretive staff, Delmonico must navigate hidden motives, institutional power struggles, and a killer who leaves no trace. Dark, methodical, and tense, this novel is ideal for readers of crime fiction, police procedurals, and psychological thrillers.













