All New: After the tragedy on the "Rust" movie set, Shannon Lee shares insights on the similar circumstances that led to the accidental shooting of her brother while filming "The Crow." And, a weapons safety expert weighs in on allegations that the "Rust" crew used prop guns for target practice. Plus, Natalee Holloway's mom on the advice she gave Gabby Petito's father and the latest on her own complicated search for the truth. Then, more shocking updates on the Brian Laundrie case.

Brandon Lee's Sister on Shooting at Set of Alex Baldwin Movie, Part 1