Complex sentence: John Robbins, an ex-marine of the Force Recon is imprisoned for life related to the murder of his commanding officer, after a shady military operation in Benghazi (Libya) in 2011 where he was ordered to kill scores of innocent men, women and children.
Split into simpler sentences: John Robbins, an ex-marine of Force Recon is imprisoned for life for murdering his commanding officer. He did so because of a military operation in Benghazi (Libya) in 2011 where his commanding officer ordered him to kill scores of innocent men, women and children.