details as to what exactly what went wrong here. reporter: the set of rust now on indefinite pause, as santa fe sheriffs look to determine what caused the fatal accident. we have two people accidentally shot on a movie set by a prop gun. reporter: the deadly shot fired by alec baldwin from a prop gun he believed was safe. his wife, halaria posting on instagram, my heart is with halyna, her husband, her son, their family and loved ones and my alec. cinematographer, halyna hutchins, passed away after being hit in the chest. the shot also wounding director, joel sousa. according to a search warrant davitt, baldwin was given the gun by assistant director dave halls, who grabbed one of three prop guns that have set up by the armorer off a cart left outside of the structure due to covid-19 restrictions. neither halls nor armorer, hanna