The son of former German business leader Hanns Martin Schleyer, who was murdered by the far-left Red Army Faction (RAF) in 1977, has heavily criticized authorities for the time it took to discover Daniela Klette. The suspected RAF terrorist was arrested in an apartment in Berlin on Monday. She had been living there under a false identity and police found weapons at the address. “The fact that an RAF terrorist was able to live undetected and unchallenged in the centre of Berlin for 20 years is unbelievable,” Jörg Schleyer told the Bild newspaper on Thursday. Politicians must now investigate how…