Armorer's Manslaughter Trial Begins in Alec Baldwin Shooting Trial started for the armorer involved in the Alec Baldwin shooting on the set of "Rust." Prosecutors claim she performed inadequate safety checks and was responsible for live rounds. The gun went off during rehearsal, killing the cinematographer. It's alleged the armorer neglected safety protocols. The defense argues she's being made a scapegoat. The source of live ammunition is a central dispute. Adblock test (Why?)