The Complaints by Ian Rankin

Set in the gritty streets of Edinburgh, this gripping crime novel follows Malcolm Fox, a dedicated detective in the Complaints and Conduct Department, tasked with investigating fellow police officers. When Fox is assigned to probe a young detective suspected of corruption, he finds himself embroiled in a complex web of deceit, betrayal, and murder. As he delves deeper, Fox uncovers a conspiracy that challenges his moral compass and threatens his career, forcing him to navigate a dangerous path where trust is a rare commodity and the line between right and wrong is blurred.

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