In May 1976 the German left-wing extremist Ulrike Meinhof killed herself in prison. She and Andreas Baader had led a terror campaign against the West German state in the early 1970s. Journalist Stefan Aust knew her well - he talks to Witness. Photo:A police photo of German left-wing terrorist Ulrike Meinhof of the Red Army Faction, aka the Baader-Meinhof Group, circa 1972. (Photo by Keystone/Hulton Archive/Getty Images)