Mary Golightly was not a happy woman. Her husband and she were locked into a perpetual marital war so violent that the whole street knew about it. Yet in the last few weeks before she went missing, she was looking happier, as if something had happened to make her life sweeter.

That was before a bin man found her thigh in a refuse sack. Her husband makes no pretence at sorrow over her death, but does that mean he killed her? With Hennessy worrying that age may be affecting his judgement and other victims struggling for survival, it may take more than a standard investigation to get to the truth before someone else dies.