Complex sentence: Wissam al-Hassan (born dead 19 October 2012) was a head of the intelligence branch of the Internal Security Forces (ISF) he did not have a political role, but was still a key player in the opposition 14 March bloc.
Split into simpler sentences: Wissam al-Hassan (died 19 October 2012) was a head of the intelligence branch of the Internal Security Forces (ISF). Although he had no political role, but was still a key player in the opposition 14 March bloc.