let’s start with /sarc
The popcorn contained canola oil, which in CA may cause cancer, hence a potentially deadly weapon. Not to mention a potentially vicious paper cut from the flying bag.
Was the bag licensed to fly? FAA to investigate on the expanding investigation. Was genetically modified corn involved?
Prayers for the family of the deceased. They need them.
There is no responsible justification for the shooting in my opinion.
Spitting on someone would also be considered assault even though it too is unlikely to “maim or kill”.
It would be considered provocation though.