An attorney representing David Halls, an assistant director on the set of the film “Rust,” said it was not Halls’ responsibility to confirm whether the gun handed to Alec Baldwin was loaded, despite Halls previously acknowledging to investigators that he should have checked all the rounds before declaring the firearm safe.An attorney representing David Halls, an assistant director on the set of the film “Rust,” said it was not Halls’ responsibility to confirm whether the gun handed to Alec Baldwin was loaded, despite Halls previously acknowledging to investigators that he should have checked all the rounds before declaring the firearm safe.