Alec Baldwin discharged a prop firearm on a New Mexico film set Thursday, Oct. 21, killing the director of photography and wounding the director, according to local law enforcement officials. The incident occurred on the set of the Western film Rust, though it is unclear whether the actors were rehearsing or filming a scene. The circumstances of the incident are still under investigation, and no charges have been filed against the 63-year-old actor, according to local media reports.