It was one of the largest manhunts in the history of French law enforcement. In 2011, Xavier Dupont de Ligonnes vanished after murdering his wife and four children and burying them in the backyard. Authorities were confident he hadn’t left the country, but after years of searching, he was nowhere to be found. When a body hanging from a tree was found in the woods, police thought they had their suspect. When human remains were found inside a cave, they were sure it was him. Each time, it turned out to be someone else. So, where could France’s most infamous fugitive be hiding? Learn more about your ad choices. Visit megaphone.fm/adchoices