Michelle for and Monique Olivier are responsible for a series of crimes including rapes kidnappings and murders committed in France and Belgium between the 1980s and 2000s nicknamed the monster of the ardan for was involved in several rapes before moving on to murders he used various PLO to lure his victims such as job advertisements or Promises of car pooling before abducting and raping them his wife Moni livier was an accomplice in his criminal acts sometimes participating in the kidnappings and rapes in addition to the rapes for was convicted of the murders of several young girls and women including teenage girls investigations have revealed shocking details about how they kidnapped tortured and killed their victims the case broke in 2003 when Monique Olivier decided to collaborate with the Belgian authorities revealing her husband's involvement in these crimes for was arrested shortly after and the evidence accumulated during the investigation led to their conviction