French police search monastery for 'family killer' Police search a monastery in southern France for a man suspected of killing his wife and four children who has been on the run since 2011. Xavier Dupont de Ligonnes was the subject of an international arrest warrant in a case that captivated France. The businessman from an aristocratic family is suspected of murdering his family in the western city of Nantes before burying them under the terrace of their elegant townhouse. IMAGES AND SOUNDBITES with a member of the monestary