http://www.newsweek.com/prop-gun-what-explained-definition-alec-baldwin-rust-shooting-1641548

A cinematographer was killed and a director injured in an accident involving a prop gun fired by Alec Baldwin on Thursday.

Halyna Hutchins, 42, was killed, and director Joel Souza injured, when a prop gun fired by Baldwin malfunctioned during the filming of upcoming western Rust, New Mexico police said.