text:  A New Mexico judge is expected to decide whether or not the manslaughter case against Alec Baldwin should be dismissed. He was charged after a prop gun in a movie set went off killing cinematographer Helena Hutchins. CBS News legal analyst Thayne Rosenbaum. One element of the prosecution's case against Alec Baldwin was that he was not only the lead actor but also a producer. So his duty of care was higher than someone who merely recites his lines.