Tonight Reporting Crew News Today

On the set of the western "rust." >> she was my friend. she was my friend. >> reporter: the actor and producer speaking out for the first time on camera about the tragedy. >> there are incidental accidents on film sets from time to time, but nothing like this. this is a one in a trillion episode. its a one in a trillion thing. >> reporter: sheriffs deputies still investigating how the live round made it into the gun. baldwin saying he cant comment on the investigation but said the production had...