However , the pair can not be put on trial again because of double jeopardy , as they were acquitted of the crime in 1987 .
In the 1990s , new investigations into the Piazza Fontana bombing , citing new witnesses testimony , implicated Freda and Ventura again .
The pair can not be put on trial again because of double jeopardy , as they were acquitted of the crime in 1987 .
In the 1990s , new investigations into the Piazza Fontana bombing , citing new witnesses testimony , implicated Freda and Ventura again .