Complex sentence: Mauro De Mauro (Foggia, September 6,1921--disappeared, September 16,1970) was an Italian journalist, murdered by the Mafia following his investigations on the death of Enrico Mattei and on the Golpe Borghese.
Split into simpler sentences: Mauro De Mauro (Foggia, September 6,1921--disappeared, September 16,1970) was an Italian journalist. He was probably murdered by the Mafia following his investigations on the death of Enrico Mattei and on the Golpe Borghese.