Los Angeles Times reports that there had been at least three prop gun misfires before fatal accident in which actor accidentally shot cinematographer dead

Police obtain warrant so that investigators can document Santa Fe ranch set where Halyna Hutchins was killed; actor's gun, blood-stained costume for film 'Rust' taken as evidence

US actor says he's 'fully cooperating' with police investigation, as law enforcement officials carry out search warrant, and reports emerge of allegedly unsafe conditions on set

Sheriff says detectives are investigating how and what type of projectile was discharged on the New Mexico set of 'Rust,' resulting in the death of Halyna Hutchins