Black Killer (1971)

The town of Tombstone is at the mercy of the five dreaded O'Hara brothers: Ramon (Antonio Cantafora), Pedro (Enzo Pulcrano), Miguel (Calogero Caruana), Ryan (Antonio Danesi)& Slide (Mimmo Maggio). An expert gunslinger, Burt Collins (Fred Robsham), arrives in Tombstone and is immediately persuaded to take on the duties of sheriff. A mysterious lawyer, James Webb (Klaus Kinski), lurking mostly in the background and occasionally joins in on the action with his deadly law books.