former atf agent tells fox news that it is critical that prop handlers and the actors use extreme caution on set. it is even more important if you re using an actual firing working revolver, that you have to keep the live ammunition completely away from where the blank ammunition is, and frankly that responsibility falls to the armorer that s on set, but even an actor picking up a firearm. and the film union hutchins was a part of told me this afternoon that right now they are not engaging in speculation and are waiting on investigations to find out what went wrong on this set. jon? jon: matt fin live in los angeles, thanks, matt. so many questions surround the deaths of both gabby petito and brian laundrie, after laundrie s remains were found last week, an autopsy came back inconclusive. his remains will be sent to an