Brian De Palma directed this 1987 gem. Kevin Costner plays federal agent, Eliot Ness, who puts together a team of men he names 'The Untouchables' to help bring down Al Capone (Robert DeNiro) during prohibition in 1930's Chicago.
Sean Connery (who won an Oscar for this) and Andy Garcia co-star.
Trailer:
The movie was nominated for 4 Academy Awards.