Defendant and former Nazi SS officer Oskar Groening, dubbed the "bookkeeper of Auschwitz", sits in the courtroom ahead of his trial in the 'Ritterakademie' venue in Lueneburg, Germany, July 1, 2015. Groening is accused by prosecutors of being an accessory in the murder of 300,000 people, even though he was not involved in any actual killing at the notorious Nazi death camp. REUTERS/Philipp Schulze/Pool