De Mauro disappeared in Sept 1970, a victim of a 'lupara bianca', a term used to describe a mafia slaying. | Cops in Sicily are investigating whether human remains found in a secluded cave on Mount Etna are those of an Italian investigative journalist who disappeared more than 50 years ago. Mauro De Mauro was a reporter in Palermo. A sniffer dog being trained located human remains in the cave. |  |
 | A DNA test on the remains will determine if it is De Mauro, who was investigating the death of businessman Enrico Mattei, who died in a 1962 plane crash likely caused by a mafia bomb. |  |
