Original sentence: Salah Mustafa Muhammad Shahade (1953–2002) (Arabic: صلاح مصطفى محمد شحادة) was the leader of  the Izz ad-Din al-Qassam Brigades, the military wing of Palestinian Islamist movement Hamas, until his assassination by Israel on July 22, 2002
Edited sentence: Salah Mustafa Muhammad Shahade (1953–2002) (Arabic: صلاح مصطفى محمد شحادة) was the leader of  the Izz ad-Din al-Qassam Brigades, the military wing of terrorist Palestinian Islamist movement Hamas, until his assassination by Israel on July 22, 2002