(FILES) This file photo taken on July 15, 2015 shows convicted former SS officer Oskar Groening leaving court after the verdict in his trial in Lueneburg, northern Germany. The former Nazi SS guard known as the "Bookkeeper of Auschwitz", now 96, is fit to serve out his four-year prison sentence, a German court ruled on November 29, 2017. / AFP PHOTO / TOBIAS SCHWARZ