Complex sentence: Mubarak, in contrast, alleges that after being insulted and cursed by security officers, a man in civilian clothing tried to force her into a car; not knowing that he was a security officer, she resisted and was struck in the head by the officer.
Split into simpler sentences: Mubarak, in contrast, alleges that after being insulted and cursed by security officers, a man in civilian clothing tried to force her into a car. Not knowing that he was a security officer, she resisted and was struck in the head by the officer.