For the first time since the dark days of Hitler's Nazi Germany, a right-wing nationalist party is centre stage in German politics. Right-wing extremism in Germany has surged to its highest level since the downfall of the Third Reich, with a record number of attacks against asylum seekers and their supporters. This film, from the BBC's Panorama program, charts the rise of one notorious anti-immigrant group which stands accused of a wave of violent attacks. In an exclusive interview, one of the group's ringleaders talks for the first time about his motivations and his actions.