A dangerous case with ties leading back to the battlefields of World War I dredges up dark memories for Scotland Yard Inspector Ian Rutledge in Todd's (Proof of Guilt, 2013) gripping latest. August 1920: a society wedding at Ely Cathedral in Cambridgeshire becomes a crime scene when a guest is shot just as the bride arrives. Two weeks later, another shooting occurs in a nearby village and Scotland Yard is called in. Inspector Ian Rutledge can find no connection between the two deaths. Will he be able to solve the crime before the killer strikes again? An atmospheric puzzler.