August 18, 2017 9:30 pm Police Fatally Shoot Murder Suspect Christopher Michael Diaz had been named in the Aug. 6 shooting death of Roxann Acosta, a mother of three who was again expecting. Patrick Healy reports for the NBC4 News on Friday, Aug. 18, 2017. US & World Videos 0:46 Protesters remain camped out on UCLA campus 0:44 Security guard shot at $12 million Encino home 1:01 One person killed in crash in Porter Ranch 3:32 USC, UCLA students navigate end of the year protests 3:26 Confrontations occur at UCLA campus amid ongoing protests