Book extract: Former state pathologist Dr Marie Cassidy's debut novel

Dr Marie Cassidy at a crime scene in Co Wicklow. Picture: Garry O' Neill
People associated death with silence. With hushed tones and murmured condolences.
In Dr Terry O’Brien’s experience, death was always accompanied by noise: sirens blaring, doors slamming, orders given, questions asked, the rustle of paper suits and, finally, the clang of metal as the knife drops onto the table.