(FILES) In this file photo taken on June 20, 2019 former French president Valery Giscard d'Estaing looks on at the conference of the fiftieth anniversary of the election of Georges Pompidou to the Presidency of the Republic, in Paris. - Former French president Valery Giscard d'Estaing, 94, is the subject of an investigation opened May 11, 2020 that examines the complaint filed by German journalist Ann-Kathrin Stracke, who accuses him of sexual assault in late 2018, the Paris prosecutor's office told AFP. (Photo by JACQUES DEMARTHON / AFP)