Former French minister and former treasurer of the right-wing UMP party, Eric Woerth arrives at the Bordeaux courthouse on January 29, 2015 for the 4th day of the trial of ten people charged with exploiting France's richest woman Liliane Bettencourt. 10 members of Bettencourt's entourage are accused of taking advantage of the 92-year-old billionaire's growing mental fragility in an explosive legal and political drama.