Audiobook Know no evil, written by Graeme Hampton. Old crimes don’t stay buried forever. The launch of a gripping new crime thriller series featuring D. I. Matthew Denning and D. S. Molly Fisher, Know No Evil will utterly engross fans of Ian Rankin, Angela Marsons and L. J. Ross. It’s high summer, and London sizzles in the grip of a heatwave. But when the body of a young mother, Leanne Wyatt, is discovered in an East London park, the heat rises to boiling point for D.