He also testified about the murder of journalist Mauro De Mauro. The investigative reporter had been kidnapped and killed by the Mafia in 1970. Marino Mannoia had been ordered by Bontade in 1977 or 1978 to dig up several bodies including the one of De Mauro and dissolve them in acid. De Mauro, la verità di Mannoia; Sciolsi il suo corpo nell' acido', La Repubblica, October 12, 2006
