The Boondock Saints II: All Saints Day

After the McManus brothers, Connor and Murphy, and their father, Noah (Il Duce), assassinated Joe Yakavetta, they fled to Ireland. Eight years later, their uncle Father Sibeal arrives to inform them that a renowned Boston priest was murdered by a mysterious assassin who attempted to frame the Saints by using their ritual assassination style. In response, the brothers dig up their old gear and weapons and depart for the United States.