The Shadow of Iron Eyes

Blinded after an accident, bounty hunter Iron Eyes roamed aimlessly until he heard the hungry crackle of flames devouring a ranch house in the distance. As he rode closer, he smelled the cold, metallic stench of spilled blood, and worse, the stink of burning bodies. Dismounting, he tried to learn more about what had happened to these people … but that was when he stopped a bullet, too.
Wounded, he fell, then lay helpless as his assailant came closer, intending to finish the job.
What happened...