It’s hard to turn against someone you once knew, Sam. Bullet for a Badman comes from R.G. Springsteen and features a screenplay by Mary & Willard Willingham based on a novel by Marvin H. Albert. The film includes Audie Murphy, Darren McGavin, Ruta Lee, Beverley Owen and Skip Homeier. Filming took place in Eastman Color at Universal City, with outdoor scenes shot in Zion National Park, Springdale, Utah; Joseph Biro…