Looking for scene with Cheyenne or lookalike

As the title states, there is a scene i remember from long ago where two escaped convicts, men, are on the run. One of them is caught by a female sheriff or police officer; then forced to fuck after she threatens him. The guy may have had glasses. Both performers were white. I believe it was the opening scene to the film. Please help me find this as it is a brain worm I cannot escape.