>> thank you very much. we have brand-new detalils n the deadly shooting on the set of alec baldwin's movie "rust." the round that killed halyna hutchin was a real bullet. authorities collected three weapons and 500 rounds of ammunition, blankz s and what i e expected to be live rounds. >> right now we can't determine how the live bullet got into the firearm. that's going to be the basis for further investigation. we need more interviews and that's going to be the million dollar question is how a live round ended up in the revolver that mr. baldwin fired. >> the assistant director of the film david halls acknowledged to investigators that he did not check all the rounds loaded into the weapon, and couldn't recall if the armorer spun the drum before handing it to baldwin. joining us now is attorney