Death Track

The body of a teenage boy is discovered on a train in Lenchester, and Detective Chief Inspector Whitney Walker fears the Carriage Killer is responsible. This offender picks one local rail network, carries out four killings there, and then moves on. Walker's superior brings in officers from another police force over her objections, so she must shield her own team from the outsiders while pursuing the case. Forensic psychologist Dr Georgina Cavendish works beside her, determined to halt the spree. The question is how to understand a killer who has claimed twelve lives across two years while leaving no evidence behind. This is the third novel in the Cavendish & Walker series.