This sound is from The Boondock Saints (1999)

"The Boondock Saints" is a 1999 film directed by Troy Duffy. Set in Boston, it follows Irish-American fraternal twins, Connor and Murphy MacManus, portrayed by Sean Patrick Flanery and Norman Reedus, respectively. After killing Russian mobsters in self-defense, the brothers believe they are on a divine mission to rid the city of evil, becoming vigilante "saints." Willem Dafoe plays a flamboyant detective assigned to investigate the murders. Full of action, dark humor, and moral dilemmas, this cult classic has captivated audiences. Play and download the movie's soundtrack and other sounds here.