Michel Paul Fourniret (born 4 April 1942), also known as the Ogre of the Ardennes, is a French serial killer who confessed to killing eleven people in France and Belgium between 1987 and 2001.
After he was arrested in June 2003 for the attempted kidnapping of a girl in Ciney, Fourniret confessed to killing nine people—eight females and one male—in 2004, having been informed on by his then-wife, Monique Pierrette Olivier (born 31 October 1948).
Fourniret was convicted of seven of these murders on 28 May 2008 and sentenced to life imprisonment without possibility of parole, while Olivier was given life with a minimum term of 28 years for complicity.In February 2018, Fourniret confessed to killing two more women.
On 16 November 2018, Fourniret and Olivier were convicted of the murder of Farida Hammiche, the last of the eight females that Fourniret confessed to killing in 2004.
Fourniret was given a second life sentence and Olivier was sentenced to a further twenty years' imprisonment.