 Here in New Mexico, the branch where the tragedy happened continues to be used as a film set. Surrounded by desert and mountains, you can see why it's the backdrop for many productions. But what's changed since that day is that calls for greater safety from crew members led to more precautions being taken across the industry and greater use of post-production effects to limit the need for real guns on set. The gun goes off. It's supposed to be a cold gun.