Complex sentence: Remer guiltily realized that he and his men actually were taking orders from the mutineers and unwittingly supporting it; and Remer with his troops, reversed the results from given orders from the plotters.
Split into simpler sentences: Remer guiltily realized that he and his men actually were taking orders from the mutineers and unwittingly supporting it. Remer and his troops reversed the results from given orders from the plotters.