Least of Evils — J.M. Gregson

A shooting on an estate puts DCI Percy Peach on the trail of a brutal ganglord... - When a young man is found with gunshot wounds outside the Thorley Grange estate, DCI Percy Peach is immediately on the case. The estate has recently been taken over by Oliver Ketley, a generous local benefactor leading a double life as a ruthless ganglord. Peach quickly sets out to find the connection between him and the injured man, but Ketley faces much bigger problems: a man in his position has many enemies, and it will only take one of them to end his life . . .