Dirty Fifteen, The (1968)

aka's: Fifteen Scaffolds For The Killer/Quindici Forche Per Un Assassino/15 Scaffolds For A Murderer/Quince Horcas Para Un Asesino

A trio of bounty hunters led by Billy Mack (Craig Hill) on the trail of horse thieves led by Sandy Cassel (George Martin) hold up at the farm of a widow and two daughters. When the women are found brutally murdered, the bounty hunters must flee with the thieves from a posse led by Bud Lee (Aldo Sambrell) culminating in a hostage situation and gun battle at a fort leading to the identity of the murderer. Also stars Susy Andersen.