Complex sentence: He angrily tells them that everyone now thinks that he is a kidnapper, for which "they will put me away" but can't bring himself to reveal that he has a criminal record as a pickpocket.
Split into simpler sentences: He angrily tells them that everyone now thinks that he is a kidnapper. He says that "they will put me away" but can't bring himself to reveal that he has a criminal record as a pickpocket.