Rachel Mason talks about the tragic on-set accident that led to the cinematographer's death, Alec Baldwin, who fired the gun, and how the film's crew is coping with trauma

Rachel Mason, director of a new 'Rust' documentary, on Halyna Hutchins' death, if Alec Baldwin agreed to be interviewed and if justice was served.

Rust and the Story of Halyna Hutchins" director Rachel Mason explains why her all-access film shifted to focusing on her friend's death, what she learned, and why she 100-percent stands by it.