their investigation. and we know from sheriffs that authorities have been combing every inch of that location, that film set. they've been interviewing witnesses. they've gathered electronic material, any film of iphones, ipads. anything that could help them piece together exactly what took place that fateful thursday afternoon. lucy kafanov, cnn, albuquerque, new mexico. >> reporter: "rust" cast member hayes hargrove told cnn he had no direct knowledge of the events that led to halyna hutchins' death, but he said movie sets by nature are dangerous environments. he also said a bright, striking fierce mother was killed and alec baldwin's life is forever ruined. we've seen the photos of alec baldwin appearing distraught over the death of halyna hutchins, and although the shooting was an accident, one legal analyst says that he may face legal liability over the