"Over the course of one week in September 1982, the bodies of four taxi drivers were found in Buenos Aires. Each murder was carried out with the same cold precision. The assailant: a nineteen-year-old boy, odd and taciturn, who gave the impression of being completely sane. More than thirty years later, Busqued began visiting Ricardo Melogno in prison. His book is at once hypnotic and unnerving, constructed from forensic documents, newspaper clippings,...