4/series. A distraught woman, a cellphone pressed to her ear, tells psychologist Joe O'Loughlin "You wouldn't understand." Then he watches as she jumps. Sucked into the mystery surrounding the woman's supposed suicide, it quickly becomes clear to O'Loughlin that she was driven to her death. But how? The police are willing to put it down as a suicide. Only her daughter and her friends say she wasn't the kind.O'Loughlin enlists the help of his friend Vincent Ruiz, retired London homicide cop. A second, similar, suicide drives home the danger women are in. But how does the killer select his victims, and how does the killer make the women kill themselves? A skilfully-plotted, graphic, compelling book. A 4.5.