The Boondock Saints is a 1999 American vigilante action thriller film written and directed by Troy Duffy. The film stars Sean Patrick Flanery and Norman Reedus as fraternal twin brothers Connor and Murphy MacManus, who become vigilantes after killing two members of the Russian Mafia in self-defense. After both experience an epiphany, the twins, together with their friend "Funny Man" Rocco (David Della Rocco), set out to rid their home city of Boston of crime and evil, all the while being pursued by FBI special agent Paul Smecker (Willem Dafoe).