Complex sentence: In November 1939 he was abducted to Germany in the Venlo Incident with Captain Sigismund Payne Best and it has been suggested that he may then have revealed vital secrets about the Secret Intelligence Service under interrogation.
Split into simpler sentences: In November 1939 he was abducted to Germany in the Venlo Incident with Captain Sigismund Payne Best. It has been suggested that he may then have revealed vital secrets about the Secret Intelligence Service under interrogation.