Monique Olivier, 75, is on trial for complicity in the kidnap and murder of Joanna Parrish in 1990 and two others
The former wife of French serial killer Michel Fourniret told police he beat British student Joanna Parrish unconscious before raping and strangling her and throwing her body in a river.
Monique Olivier, 75, is on trial for complicity in the kidnapping and murder of Parrish, 20, in 1990 and two other victims Marie-Angèle Domèce, 19, in 1988 and nine-year-old Estelle Mouzin in 2003.
