45 Colt ammunition with nickel primers, a potential match to Rust," he explains ... the bullet in question may have originated - his own ammo supplier, Joe Swanson, who didn't respond to requests ...

On Monday, Kenney denied that he ever sent any live ammo to the "Rust" production. However, he did state that he had concerns based on what he was being told about gun-safety violations on the set ...

who was responsible for overseeing prop weapons on the Rust set. “Why would there be live ammo on set?” one official asks Gutierrez-Reed, who then replies, “I have no idea.” ...