Complex sentence: In the 1990s, however, Rimland met and befriended Holocaust denier Ernst Zündel, who later became her second husband, and became involved in right-wing causes, acting as the ostensible manager of his controversial website.
Split into simpler sentences: In the 1990s, however, Rimland met and befriended Holocaust denier Ernst Zündel, who later became her second husband. She became involved in right-wing causes, acting as the ostensible manager of his controversial website.