Complex sentence: Silberbauer was suspended from the police force pending an investigation into undeclared Nazi activities during the war and when the Dutch media learned of his whereabouts they descended on his home and he admitted to them that he had arrested Anne Frank.
Split into simpler sentences: Silberbauer was suspended from the police force pending an investigation into undeclared Nazi activities during the war. When the Dutch media learned of his whereabouts, they descended on his home and he admitted to them that he had arrested Anne Frank.