 The gun from those charged with its safety, he did not tamper with it. He did not load it himself. He did not leave it unattended. It was an actor handling a prop. The defense saying firearm checks were the responsibility of the film armorer, Hannah Gutierrez, and the assistant director in charge of safety, Dave Halls, and that the real issue is how a live bullet made it into the gun. ABC's Mola Lange, a blanket of heat is baking the nation, more than 150 million Americans. ABC's Ariel Reshef.