Complex sentence: Rice claims he was never really a member of the American Front, but liked the dynamic character of Bob Heick, and that he had been instructed by Charles Manson to infiltrate the growing white power skinhead scene and turn them into Manson cultists.
Split into simpler sentences: Rice claims he was never really a member of the American Front, but he liked the dynamic character of Bob Heick. He also said that he had been instructed by Charles Manson to infiltrate the growing white power skinhead scene, and turn its followers into Manson cultists.