Democrat Ammar Campa-Najjar has deleted an Instagram post in which he referred to his grandfather, Palestinian terrorist Muhammad Yousef al-Najjar, as a “legend.” Muhammad Yousef al-Najjar was “was “a senior member of the Palestinian terrorist group Black September that murdered 11 Israeli athletes at the 1972 Munich Olympics,” according to the Times of Israel, and a deputy for Palestine Liberation Organization (PLO) leader Yasser Arafat. Earlier this year, when Campa-Najjar’s roots were first reported, he condemned his grandfather’s actions and supported peace.