He entered the Office for Reserved Affairs of the Italian of the Minister of Interior in 1957. In 1974, two days after the Piazza della Loggia bombing, he was removed from the position and assigned to the boundary police, although he kept a strong influence on the office until the 1980s. For his activity as the office's director (1969-1974) he has been accused of sidetracking numerous investigations about the massacres occurred in that period.