Original sentence: It is believed he took part in the 1981 assassination of Egyptian President Anwar Sadat, the attempted assassination of President Mubarak in 1995, and the Luxor massacre, which killed more than 60 tourists and Egyptians, in 1997
Edited sentence: It is believed he took part in the 1981 assassination of Egyptian President Anwar El Sadat, the attempted assassination of President Mubarak in 1995, and the Luxor massacre, which killed more than 60 tourists and Egyptians, in 1997