News Serial killer's widow Monique Olivier guilty of being involved in murder 33 years ago A dead serial killer’s widow faces a second life prison sentence for “aiding” him in the murder of British student, Joanna Parrish, in France 33 years ago. Joanna Parrish was 20-years-old when she was raped and killed in Moneteau, France in May 1990 December 19, 2023