The weapons supplier for “Rust” told investigators he may have mistakenly provided the live ammunition that killed the cinematographer and wounded the director during a shooting on set near Santa Fe early last month. Authorities say movie star Alec Baldwin was practicing a cross draw in an old church on the Bonanza Creek Ranch movie set when he discharged a live round from a Colt .45 revolver, killing Halyna Hutchins, 42, and wounding Joel Souza, 48. “No charges have been filed as of this date,” Santa Fe County Sheriff’s Office spokesman Juan Rios said Tuesday. Seth Kenney, owner of PDQ...