Nieves Abarca, studied Art History at the University of Santiago de Compostela and got a masters in journalism at UOC. She has studied anatomical pathology and legal medicine, and is a specialist in criminal profiles.
She has been the directress of a cultural magazine, besides collaborating in various publications and radio programs of A Coruña and Ponferrada. She is a career civil servant and was posted to a police station for thirteen years.
Along with Vicente Garrido she has published the novels Exquisite Crimes and Martyrium, which have received excellent reviews and great success amongst readers
Vincente Garrido Genovés is a tenured professor at the University of Valencia. He is one of the top authorities in Spain in the investigation and treatment of violent personalities. Member of prestigious scientific societies worldwide, he has published, among other works, Cara a cara con el psicópata (Face to face with the psychopath) and El rastro del asesino (The face of the killer), both pubilshed in Ariel.