in court, firearms expert brian carpenter testifying that as armorer gutierrez should have corrected baldwin's behavior every time. >> once you take on the responsibility of safety for another person, you take on a responsibility of making sure that you do what's necessary, even if it's convenient. >> but the defense arguing gutierrez was assigned to other duties on that set, taking her away from her job as armorer ideally would you believe there should have been two armors? >> yes, they should have had more than one armor on this movie. >> an assistant director, dave hall's, emotionally recalled that moment a gun handled by baldwin fired a live bullet striking hutchins. >> did you speak to miss hutchins when you approached her? >> i did. >> what did you say? >> are you all right? >> did she respond. >> yes. she said, i can't feel my legs. >> last year, halls pleaded no contest in negligent use of a deadly weapon for not checking that gun. and he went on to say that part of the reason he wanted to testify is to make sure that something like this never happens again. kayna whitworth,