
source: https: //twitter.com/DarnelSugarfoo/status/1451508819599650816 - trying to confirm whether he actually said this.
That would appear to fit the bill for negligent homicide. He was monkeying around with a loaded firearm, and clearly acted contrary to any basic firearms safety rules - certainly the firearm safety rules that apply to movie sets must be quite strict.
Of course, being a politically-connected leftist, he won't suffer any legal consequences, other than, perhaps, being sued for civil wrongful death.