A POLICEMAN ON TRIAL.Detective Inspector Bill Quinn is killed by a crossbow in the tranquil grounds of a police rehabilitation centre. When compromising photos are found in his room, DCI Banks is brought in to investigate. And it isn''t long before he''s assailed on all sides...There''s Joanna Passero, the Professional Standards inspector who insists on shadowing the investigation in case of police corruption. There''s Annie Cabbot, back at work after six months'' recuperation and beset by her own doubts and demons.And then there''s the girl who disappeared in Estonia six years ago, who holds the key to the secret at the heart of the case...A thrilling Alan Banks mystery from the master of the police procedural, Peter Robinson.