Dark, darker, darkest...
Mo Hayder's books are as far away from cozy as can be. Jack Caffery is not a carefree hero and the cases he is confronted with take him into the darkest corners of human nature. In this case the crime is particularly vile as it involves small children. Though the crimes are not described in gory details, the reality of the things cops are confronted when working such cases and the effect it has on them is brought home.
This is not easy to stomach, but the writing is excellent as usual.
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