And... there it is:
https://www.cnn.com/2021/10/26/enter...day/index.html
"Crew members on the set of "Rust" used guns with live ammunition and engaged in a pastime called "plinking" hours before Halyna Hutchins was killed, founder and CEO of The Wrap, Sharon Waxman, told CNN's Don Lemon Monday night, citing information from an individual with knowledge of the set."