AP Photo
From left, Hans-Georg Maassen, head of the German Federal Office for the Protection of the Constitution, Christof Gramm, head of the German Military Counter-Intelligence Service and Bruno Kahl, head of the German Federal Intelligence Service, arrive for a public hearing at the parliamentary control committee of the German federal parliament, Bundestag, in Berlin, Germany, Thursday, Oct. 5, 2017. (AP Photo/Michael Sohn)