When on July 20, 1944, a bomb-boldly placed inside Hitler's headquarters by Colonel Count Claus von Stauffenberg- exploded without killing the F hrer, the subsequent coup d' tat against the Third Reich collapsed. The conspirators were summarily shot or condemned in show trials and sadistically hanged. One of the few survivors of the conspiracy was Hans Bernd Gisevius, who had used his positions in the Gestapo and the Abwehr (military intelligence)...