Complex sentence: Even after the divorce he continued to suspect her of having affairs, and persuaded her to sign confessions about her feelings of fear and hatred toward him, which he locked away in the archives of his Orgone Institute.
Split into simpler sentences: Even after the divorce he continued to suspect her of having affairs. He persuaded her to sign confessions about her feelings of fear and hatred toward him, which he locked away in the archives of his Orgone Institute.